Professor Ben Powell
Professor
School of Mathematics and Physics
+61 7 336 52401
Researcher biography
This is an automatically generated university page - my real website is https://people.smp.uq.edu.au/BenPowell/
Book Chapters
Mostert, A. B., Meredith, P., Powell, B. J., Gentle, I. R., Hanson, G. R and Pratt, F. L. (2016). Understanding melanin: a nano-based material for the future. Nanomaterials: science and applications. (pp. 175-202) edited by Deborah Kane, Adam Micolich and Peter Roger. Boca Raton, FL, United States: Pan Stanford. doi: 10.1201/b20041-8
Powell, Ben J. (2011). An introduction to effective low-energy Hamiltonians in condensed matter physics and chemistry. Computational methods for large systems: Electronic structure approaches for biotechnology and nanotechnology. (pp. 309-366) edited by Jeffrey R. Reimers. Hoboken, NJ, United States: Wiley. doi: 10.1002/9780470930779.ch10
Meredith, Paul, Powell, Ben J., Riesz, Jenny, Vogel, Robert, Blake, David, Kartini, Indriani, Will, Geff and Subianto, Surya (2006). Broadband Photon-harvesting Biomolecules for Photovoltaics. Artificial Photosynthesis: From Basic Biology to Industrial Application. (pp. 35-65) Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA. doi: 10.1002/3527606742.ch3
Journal Articles
Lowe, Benjamin, Field, Bernard, Hellerstedt, Jack, Ceddia, Julian, Nourse, Henry L., Powell, Ben J., Medhekar, Nikhil V. and Schiffrin, Agustin (2024). Local gate control of Mott metal-insulator transition in a 2D metal-organic framework. Nature Communications, 15 (1) 3559, 1-9. doi: 10.1038/s41467-024-47766-8
Ruzzi, Gian, Cruddas, Jace and Powell, Benjamin J. (2024). Multistep transitions in spin crossover materials without long-range spin state order from dimensional reduction. Materials Advances, 5 (5), 2057-2068. doi: 10.1039/d3ma01057k
Dissanayake, C., Jacko, A. C., Kumarasinghe, K., Munir, R., Siddiquee, H., Newsome, W. J., Uribe-Romo, F. J., Choi, E. S., Yadav, S., Hu, X.-Z., Takano, Y., Pakhira, S., Johnston, D. C., Ding, Q.-P., Furukawa, Y., Powell, B. J. and Nakajima, Y. (2023). Gapless spinons and a field-induced soliton gap in the hyperhoneycomb Cu oxalate framework compound [( C2H5)3NH]2Cu2(C2O4)3. Physical Review B, 108 (13) 134418. doi: 10.1103/physrevb.108.134418
López, Manuel Fernández, Powell, Ben J. and Merino, Jaime (2022). Topological superconductivity from doping a triplet quantum spin liquid in a flat-band system. Physical Review B, 106 (23) 235129, 1-17. doi: 10.1103/PhysRevB.106.235129
Ahmed, Manan, Arachchige, Kasun S. A., Xie, Zixi, Price, Jason R., Cruddas, Jace, Clegg, Jack K., Powell, Benjamin J., Kepert, Cameron J. and Neville, Suzanne M. (2022). Guest-induced multistep to single-step spin-crossover switching in a 2-D Hofmann-like framework with an amide-appended ligand. Inorganic Chemistry, 61 (30), 11667-11674. doi: 10.1021/acs.inorgchem.2c01253
Murase, Ryuichi, Hudson, Timothy A., Aldershof, Thomas S., Nguyen, Ky V., Gluschke, Jan G., Kenny, Elise P., Zhou, Xiuwen, Wang, Tiesheng, van Koeverden, Martin P., Powell, Benjamin J., Micolich, Adam P., Abrahams, Brendan F. and D’Alessandro, Deanna M. (2022). Multi-redox responsive behavior in a mixed-valence semiconducting framework based on bis-[1,2,5]-thiadiazolo-tetracyanoquinodimethane. Journal of the American Chemical Society, 144 (29), 13242-13253. doi: 10.1021/jacs.2c03794
Xu, Luonan, Xie, Zixi, Zenere, Katrina A., Clegg, Jack K., Kenny, Elise, Rijs, Nicole J., Jameson, Guy N. L., Kepert, Cameron J., Powell, Benjamin J. and Neville, Suzanne M. (2022). Co-existence of five- and six-coordinate iron(ii) species captured in a geometrically strained spin-crossover Hofmann framework. Dalton Transactions, 51 (25), 9596-9600. doi: 10.1039/d2dt01371a
Nourse, H. L., McKenzie, Ross H. and Powell, B. J. (2022). C3 symmetry breaking metal-insulator transitions in a flat band in the half-filled Hubbard model on the decorated honeycomb lattice. Physical Review B, 105 (20) 205119. doi: 10.1103/physrevb.105.205119
Nadeem, M., Cruddas, Jace, Ruzzi, Gian and Powell, Benjamin J. (2022). Toward high-temperature light-induced spin-state trapping in spin-crossover materials: the interplay of collective and molecular effects. Journal of the American Chemical Society, 144 (20) 2c03202, 9138-9148. doi: 10.1021/jacs.2c03202
Ahmed, Manan, Zenere, Katrina A., Sciortino, Natasha F., Arachchige, Kasun S. A., Turner, Gemma F., Cruddas, Jace, Hua, Carol, Price, Jason R., Clegg, Jack K., Valverde-Muñoz, Francisco Javier, Real, Jose A., Chastanet, Guillaume, Moggach, Stephen A., Kepert, Cameron J., Powell, Benjamin J. and Neville, Suzanne M. (2022). Regulation of multistep spin crossover across multiple stimuli in a 2-D framework material. Inorganic Chemistry, 61 (17), 6641-6649. doi: 10.1021/acs.inorgchem.2c00530
Nourse, H. L., McKenzie, Ross H. and Powell, B. J. (2021). Spin-0 Mott insulator to metal to spin-1 Mott insulator transition in the single-orbital Hubbard model on the decorated honeycomb lattice. Physical Review B, 104 (7) 075104. doi: 10.1103/physrevb.104.075104
Kenny, E. P., Jacko, A. C. and Powell, B. J. (2021). x−[Pd(dmit)2]2 as a quasi-one-dimensional scalene Heisenberg model. Physical Review Materials, 5 (8) 084412. doi: 10.1103/PhysRevMaterials.5.084412
Cruddas, Jace and Powell, B. J. (2021). Multiple Coulomb phases with temperature-tunable ice rules in pyrochlore spin-crossover materials. Physical Review B, 104 (2) 024433, 1-8. doi: 10.1103/physrevb.104.024433
Kenny, E. P., Jacko, A. C. and Powell, B. J. (2021). Tight-binding approach to pyrazine-mediated superexchange in copper–pyrazine antiferromagnets. Inorganic Chemistry, 60 (16) acs.inorgchem.1c00532, 11907-11914. doi: 10.1021/acs.inorgchem.1c00532
Cruddas, J., Ruzzi, G. and Powell, B. J. (2021). Spin-state smectics in spin crossover materials. Journal of Applied Physics, 129 (18) 185102, 185102. doi: 10.1063/5.0045763
Merino, Jaime, López, Manuel Fernández and Powell, Ben J. (2021). Unconventional superconductivity near a flat band in organic and organometallic materials. Physical Review B, 103 (9) 094517. doi: 10.1103/PhysRevB.103.094517
Ezzedinloo, Lida, Zenere, Katrina A., Xie, Zixi, Ahmed, Manan, Scottwell, SynØve, Bhadbhade, Mohan, Brand, Helen E. A., Clegg, Jack K., Hua, Carol, Sciortino, Natasha F., Parker, Lachlan C., Powell, Benjamin J., Kepert, Cameron J. and Neville, Suzanne M. (2021). Hierarchical spin-crossover cooperativity in hybrid 1D chains of FeII-1,2,4-triazole trimers linked by [Au(CN)2]− bridges. Chemistry - A European Journal, 27 (16), 5136-5141. doi: 10.1002/chem.202100358
Cavanagh, D. C. and Powell, B. J. (2021). Fate of the Hebel-Slichter peak in superconductors with strong antiferromagnetic fluctuations. Physical Review Research, 3 (1) 013241. doi: 10.1103/physrevresearch.3.013241
Ong, Xandria, Ahmed, Manan, Xu, Luonan, Brennan, Ashley T., Hua, Carol, Zenere, Katrina A., Xie, Zixi, Kepert, Cameron J., Powell, Benjamin J. and Neville, Suzanne M. (2021). Spin-crossover 2-D Hofmann frameworks incorporating an amide-functionalized ligand: N-(pyridin-4-yl)benzamide. Chemistry, 3 (1), 360-372. doi: 10.3390/chemistry3010026
Nourse, H. L., McKenzie, Ross H. and Powell, B. J. (2021). Multiple insulating states due to the interplay of strong correlations and lattice geometry in a single-orbital Hubbard model. Physical Review B, 103 (8) L081114. doi: 10.1103/physrevb.103.l081114
Ahmed, Manan, Brand, Helen E. A., Peterson, Vanessa K., Clegg, Jack K., Kepert, Cameron J., Price, Jason R., Powell, Benjamin J. and Neville, Suzanne M. (2021). Dual-supramolecular contacts induce extreme Hofmann framework distortion and multi-stepped spin-crossover. Dalton Transactions, 50 (4), 1434-1442. doi: 10.1039/d0dt04007j
Jacko, Anthony C. and Powell, Benjamin J. (2021). Quasi-one dimensional magnetic interactions in the three-dimensional hyper-honeycomb framework [(C2H5)3NH]2Cu2(C2O4)3. Physical Chemistry Chemical Physics, 23 (8), 5012-5019. doi: 10.1039/d0cp05999d
Zhou, Xiuwen and Powell, Benjamin J. (2020). Quantitative calculations of the non-radiative rate of phosphorescent Ir(iii) complexes. Physical Chemistry Chemical Physics, 22 (46), 27348-27356. doi: 10.1039/d0cp04709k
Powell, Ben J. (2020). Emergent particles and gauge fields in quantum matter. Contemporary Physics, 61 (2), 1-36. doi: 10.1080/00107514.2020.1832350
Cruddas, Jace and Powell, Ben (2020). Structure-property relationships and the mechanisms of multistep transitions in spin crossover materials and frameworks. Inorganic Chemistry Frontiers, 7 (22), 4424-4437. doi: 10.1039/d0qi00799d
Ohlrich, Miriam and Powell, Ben J. (2020). Fast, accurate enthalpy differences in spin crossover crystals from DFT+U. The Journal of Chemical Physics, 153 (10) 104107, 104107. doi: 10.1063/5.0020706
Kenny, E. P., David, G., Ferré, N., Jacko, A. C. and Powell, B. J. (2020). Frustration, ring exchange, and the absence of long-range order in
EtMe3Sb[Pd(dmit)2]2
: From first principles to many-body theory. Physical Review Materials, 4 (4) 044403. doi: 10.1103/physrevmaterials.4.044403
Jacko, A. C., Kenny, E. P. and Powell, B. J. (2020). Interplay of dipoles and spins in κ−(BEDT−TTF)2X
, where X=Hg(SCN)2Cl, Hg(SCN)2Br, Cu[N(CN)2]Cl, Cu[N(CN)2]Br
, and Ag2(CN)3. Physical Review B, 101 (12) 125110. doi: 10.1103/physrevb.101.125110
Janani, C., Merino, J., McCulloch, Ian P. and Powell, B. J. (2020). Publisher's Note: Low-energy effective theories of the two-thirds filled hubbard model on the triangular necklace lattice (Physical Review B (2014) 90 (035120) DOI: 10.1103/PhysRevB.90.035120). Physical Review B, 101 (8) 089903. doi: 10.1103/PhysRevB.101.089903
Cruddas, Jace and Powell, B. J. (2019). Spin-state ice in elastically frustrated spin-crossover materials. Journal of the American Chemical Society, 141 (50) jacs.9b09191, 19790-19799. doi: 10.1021/jacs.9b09191
Kenny, Elise P., Jacko, Anthony C. and Powell, Ben J. (2019). Mechanomagnetics in elastic crystals: insights from [Cu(acac)2]. Angewandte Chemie, 131 (42), 15226-15232. doi: 10.1002/ange.201907889
Cavanagh, D. C. and Powell, B. J. (2019). Umklapp scattering in unconventional superconductors: Microwave conductivity shows that kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Br is a d(xy) superconductor. Physical Review B, 100 (5) 054505. doi: 10.1103/PhysRevB.100.054505
Merino, Jaime, Jacko, Anthony C., Khosla, Amie L., Ralko, Arnaud and Powell, Ben J. (2019). Erratum: Spin molecular-orbit coupling and magnetic properties of the decorated honeycomb layers of Mo3S7(dmit)3 crystals (vol 8, 101430, 2018). Aip Advances, 9 (2) 029903, 029903. doi: 10.1063/1.5092508
Merino, Jaime, Jacko, Anthony C., Kohsla, Amie L., Ralko, Arnaud and Powell, Ben J. (2018). Spin molecular-orbit coupling and magnetic properties of the decorated honeycomb layers of Mo3S7(dmit)3 crystals. AIP Advances, 8 (10) 101430, 101430. doi: 10.1063/1.5041341
Zhou, Xiuwen and Powell, Benjamin J. (2018). Nonradiative decay and stability of N-heterocyclic carbene iridium(III) complexes. Inorganic Chemistry, 57 (15) acs.inorgchem.8b00800, 8881-8889. doi: 10.1021/acs.inorgchem.8b00800
Powell, Ben J. (2018). The expanding materials multiverse. Science, 360 (6393), 1073-1074. doi: 10.1126/science.aat7282
Powell, B. J., Kenny, E. P. and Merino, J. (2018). Erratum: Dynamical reduction of the dimensionality of exchange interactions and the "spin-liquid" phase of κ - 2X (Physical Review Letters (2017) 119 (087204) DOI: 10.1103/PhysRevLett.119.087204). Physical Review Letters, 120 (19) 199901. doi: 10.1103/PhysRevLett.120.199901
Leiner, J. C., Oh, Joosung, Kolesnikov, A. I., Stone, M. B., Le, Manh Duc, Kenny, E. P., Powell, B. J., Mourigal, M., Gordon, E. E., Whangbo, M. H., Kim, J. W., Cheong, S. W. and Park, Je-Geun (2018). Magnetic excitations of the Cu2+ quantum spin chain in Sr3CuPtO6. Physical Review B, 97 (10) 104426, 1-8. doi: 10.1103/PhysRevB.97.104426
Cavanagh, D. C. and Powell, B. J. (2018). Nuclear magnetic resonance in low-symmetry superconductors. Physical Review B, 97 (2) 024509. doi: 10.1103/PhysRevB.97.024509
Powell, B. J. (2017). Balance and frustration in strongly correlated itinerant electron systems: an extension of Nagaoka's theorem. Physical Review B, 96 (17) 174435. doi: 10.1103/PhysRevB.96.174435
Merino, J., Jacko, A. C., Khosla, A. L. and Powell, B. J. (2017). Effects of anisotropy in spin molecular-orbital coupling on effective spin models of trinuclear organometallic complexes. Physical Review B, 96 (20) 205118. doi: 10.1103/PhysRevB.96.205118
Powell, B. J., Kenny, E. P. and Merino, J. (2017). Dynamical Reduction of the Dimensionality of Exchange Interactions and the "Spin-Liquid" Phase of kappa-(BEDT-TTF)(2)X. Physical Review Letters, 119 (8) 087204, 087204. doi: 10.1103/PhysRevLett.119.087204
Zhou, Xiuwen, Burn, Paul L and Powell, Benjamin J (2017). Correction to bond fission and non-radiative decay in iridium(III) complexes. Inorganic Chemistry, 56 (13), 7574-7574. doi: 10.1021/acs.inorgchem.7b01260
Zhou, Xiuwen, Burn, Paul L. and Powell, Benjamin J. (2017). Effect of n-propyl substituents on the emission properties of blue phosphorescent iridium(iii) complexes. Journal of Chemical Physics, 146 (17) 174305, 174305-1-174305-6. doi: 10.1063/1.4981797
Jacko, A. C., Khosla, A. L., Merino, J. and Powell, B. J. (2017). Spin-orbit coupling in Mo3 S7(dmit)3. Physical Review B, 95 (15) 155120. doi: 10.1103/PhysRevB.95.155120
Powell, B. J., Merino, J., Khosla, A. L. and Jacko, A. C. (2017). Heisenberg and Dzyaloshinskii-Moriya interactions controlled by molecular packing in trinuclear organometallic clusters. Physical Review B, 95 (9) 094432. doi: 10.1103/PhysRevB.95.094432
Khosla, A. L., Jacko, A. C., Merino, J. and Powell, B. J. (2017). Spin-orbit coupling and strong electronic correlations in cyclic molecules. Physical Review B: Condensed Matter and Materials Physics, 95 (11) 115109. doi: 10.1103/PhysRevB.95.115109
Tonnelé, Claire, Stroet, Martin, Caron, Bertrand, Clulow, Andrew J., Nagiri, Ravi C. R., Malde, Alpeshkumar K., Burn, Paul L., Gentle, Ian R., Mark, Alan E. and Powell, Benjamin J. (2017). Elucidating the spatial arrangement of emitter molecules in organic light-emitting diode films. Angewandte Chemie - International Edition, 56 (29), 8402-8406. doi: 10.1002/anie.201610727
Tonnelé, Claire, Stroet, Martin, Caron, Bertrand, Clulow, Andrew J., Nagiri, Ravi C. R., Malde, Alpeshkumar K., Burn, Paul L., Gentle, Ian R., Mark, Alan E. and Powell, Benjamin J. (2017). Elucidating the spatial arrangement of emitter molecules in organic light-emitting diode films. Angewandte Chemie, 129 (29), 8522-8526. doi: 10.1002/ange.201610727
Gendron, David, Maasoumi, Fatemeh, Armin, Ardalan, Pattison, Katherine, Burn, Paul L., Meredith, Paul, Namdas, Ebinazar B. and Powell, Benjamin J. (2017). A thiocarbonyl-containing small molecule for optoelectronics. RSC Advances, 7 (17), 10316-10322. doi: 10.1039/c7ra00693d
Nourse, H. L., McCulloch, I. P., Janani, C. and Powell, B. J. (2016). Haldane insulator protected by reflection symmetry in the doped Hubbard model on the three-legged ladder. Physical Review B, 94 (21) 214418. doi: 10.1103/PhysRevB.94.214418
Merino, J., Jacko, A. C., Khosla, A. L. and Powell, B. J. (2016). Quasi-one-dimensional spin-orbit-coupled correlated insulator in a multinuclear coordinated organometallic crystal. Physical Review B, 94 (20) 205109. doi: 10.1103/PhysRevB.94.205109
Smith, Arthur R. G., Burn, Paul L. and Powell, Benjamin J. (2016). Exact exchange and the density functional theory of metal-to-ligand charge-transfer in fac-Ir(ppy)3. Organic Electronics, 33, 110-115. doi: 10.1016/j.orgel.2016.02.039
Zhou, Xiuwen, Burn, Paul L. and Powell, Benjamin J. (2016). Bond fission and non-radiative decay in iridium(III) complexes. Inorganic Chemistry, 55 (11), 5266-5273. doi: 10.1021/acs.inorgchem.6b00219
Cavanagh, D. C., Jacko, A. C. and Powell, B. J. (2015). Breakdown of the universality of the Kadowaki-Woods Ratio in multi-band metals. Physical Review B, 92 (19) 195138. doi: 10.1103/PhysRevB.92.195138
Gonzalez-Vazquez, Jose P., Burn, Paul L. and Powell, Benjamin J. (2015). Interplay of zero-field splitting and excited state geometry relaxation in fac-Ir(ppy)3. Inorganic Chemistry, 54 (21), 10457-10461. doi: 10.1021/acs.inorgchem.5b01918
Powell, B. J. (2015). Theories of phosphorescence in organo-transition metal complexes - From relativistic effects to simple models and design principles for organic light-emitting diodes. Coordination Chemistry Reviews, 295, 46-79. doi: 10.1016/j.ccr.2015.02.008
Powell, B. J. (2015). Conservation laws, radiative decay rates, and excited state localization in organometallic complexes with strong spin-orbit coupling. Scientific Reports, 5 (1) 10815, 1-11. doi: 10.1038/srep10815
Saadatmand, S. N., Powell, B. J. and McCulloch, I. P. (2015). Phase diagram of the spin-1/2 triangular J1-J2 Heisenberg model on a three-leg cylinder. Physical Review B (Condensed Matter and Materials Physics), 91 (24) 245119, 245119.1-245119.11. doi: 10.1103/PhysRevB.91.245119
Jacko, A. C., Janani, C., Koepernik, Klaus and Powell, B. J. (2015). Emergence of quasi-one-dimensional physics in a nearly-isotropic three-dimensional molecular crystal: ab initio modeling of Mo3 S7(dmit)3. Physical Review B - Condensed Matter and Materials Physics, 91 (12) 125140, 1-5. doi: 10.1103/PhysRevB.91.125140
Janani, C., Merino J., McCulloch, I. P. and Powell, B. J. (2014). Haldane phase in the hubbard model at 2/3-filling for the organic molecular compound Mo3 S7 (dmit)3. Physical Review Letters, 113 (26) 267204, 267204-1-267204-5. doi: 10.1103/PhysRevLett.113.267204
Janani, C., Merino, J., McCulloch, Ian P. and Powell, B. J. (2014). Low-energy effective theories of the two-thirds filled Hubbard model on the triangular necklace lattice. Physical Review B - Condensed Matter and Materials Physics, 90 (3) 035120, 035120-1-035120-10. doi: 10.1103/PhysRevB.90.035120
Merino, Jaime, Holt, Michael and Powell, Ben J. (2014). Spin-liquid phase in a spatially anisotropic frustrated antiferromagnet: a Schwinger boson mean-field approach. Physical Review B - Condensed Matter and Materials Physics, 89 (24) 245112. doi: 10.1103/PhysRevB.89.245112
Gendron, David, Gann, Eliot, Pattison, Katherine, Maasoumi, Fatemeh, McNeill, Christopher R., Watkins, Scott E., Burn, Paul L., Powell, Benjamin J. and Shaw, Paul E. (2014). Synthesis and properties of pyrrolo[3,2-b]pyrrole-1,4-diones (isoDPP) derivatives. Journal of Materials Chemistry C, 21 (2), 4276-4288. doi: 10.1039/c4tc00427b
Holt, Michael, Powell, Ben J. and Merino, Jaime (2014). Spin-liquid phase due to competing classical orders in the semiclassical theory of the Heisenberg model with ring exchange on an anisotropic triangular lattice. Physical Review B - Condensed Matter and Materials Physics, 89 (17) 174415. doi: 10.1103/PhysRevB.89.174415
Milbradt, S., Bardin, A. A., Truncik, C. J. S., Huttema, W. A., Jacko, A. C., Burn, P. L., Lo, S. -C., Powell, B. J. and Broun, D. M. (2013). In-plane superfluid density and microwave conductivity of the organic superconductor kappa-(BEDT-TTF)(2)Cu[N(CN)(2)]Br: evidence for d-wave pairing and resilient quasiparticles. Physical Review B: Condensed Matter and Materials Physics, 88 (6) 064501, 064501-1-064501-6. doi: 10.1103/PhysRevB.88.064501
Mostert, A. Bernardus, Hanson, Graeme R., Sarna, Tadeusz, Gentle, Ian R., Powell, Benjamin J. and Meredith, Paul (2013). Hydration-controlled X-band EPR spectroscopy: a tool for unravelling the complexities of the solid-state free radical in eumelanin. Journal of Physical Chemistry B, 117 (17), 4965-4972. doi: 10.1021/jp401615e
Mutkins, Karyn, Chen, Simon S. Y., Pivrikas, Almantas, Aljada, Muhsen, Burn, Paul L., Meredith, Paul and Powell, Ben J. (2013). Three-dimensional carbazole-based dendrimers: model structures for studying charge transport in organic semiconductor films. Polymer Chemistry, 4 (4), 916-925. doi: 10.1039/c2py20670f
Schwenn, Paul E., Gui, Ke, Zhang, Yuliang, Burn, Paul L., Meredith, Paul and Powell, Benjamin J. (2012). Kinetics of charge transfer processes in organic solar cells: Implications for the design of acceptor molecules. Organic Electronics, 13 (11), 2538-2545. doi: 10.1016/j.orgel.2012.07.008
Scriven, E. P. and Powell, B. J. (2012). Geometrical frustration in the spin liquid beta'-Me(3)EtSb[Pd(dmit)(2)](2) and the valence-bond solid Me(3)EtP[Pd(dmit)(2)](2). Physical Review Letters, 109 (9) 097206, 097206.1-097206.5. doi: 10.1103/PhysRevLett.109.097206
Mostert, Albertus B., Powell, Benjamin J., Pratt, Francis L., Hanson, Graeme R., Sarna, Tadeusz, Gentle, Ian R. and Meredith, Paul (2012). Role of semiconductivity and ion transport in the electrical conduction of melanin. Proceedings of the National Academy of Sciences of USA, 109 (23), 8943-8947. doi: 10.1073/pnas.1119948109
Bardin, A. A., Burn, P. L., Lo, S.-C. and Powell, B. J. (2012). Superconductivity suppression and peak resistivity enhancement for thin crystals of kappa-(BEDT-TTF)(2)Cu(SCN)(2). Physica Status Solidi B: Basic Solid State Physics, 249 (5), 979-984. doi: 10.1002/pssb.201100711
Powell, Benjamin J., Baruah, Tunna and Pederson, Mark R. (2012). Equivalence of electron-vibration interaction and charge-induced force variations: a new O(1) approach to an old problem. Crystals, 2 (2), 236-247. doi: 10.3390/cryst2020236
Smith, A. R. G., Riley, M. J., Burn, P. L., Gentle, I. R., Lo, S.-C. and Powell, B. J. (2012). Effects of fluorination on iridium(III) complex phosphorescence: Magnetic circular dichroism and relativistic time-dependent density functional theory. Inorganic Chemistry, 51 (5), 2821-2831. doi: 10.1021/ic201899z
Mostert, A. Bernardus, Powell, Ben J., Gentle, Ian R. and Meredith, Paul (2012). On the origin of electrical conductivity in the bio-electronic material melanin. Applied Physics Letters, 100 (9) 093701, 093701. doi: 10.1063/1.3688491
Smith, Arthur R. G., Burn, Paul L. and Powell, Ben J. (2011). Spin-orbit coupling in phosphorescent iridium(III) complexes. ChemPhysChem, 12 (13), 2429-2438. doi: 10.1002/cphc.201100397
Jacko, A. C. and Powell, B. J. (2011). Electronic correlations in organometallic complexes. Chemical Physics Letters, 508 (1-3), 22-28. doi: 10.1016/j.cplett.2011.03.090
Powell, B. J. and McKenzie, Ross H. (2011). Quantum frustration in organic Mott insulators: From spin liquids to unconventional superconductors. Reports on Progress in Physics, 74 (5) 056501, 056501.1-056501.60. doi: 10.1088/0034-4885/74/5/056501
Schwenn, P. E., Burn, P. L. and Powell, B. J. (2011). Calculation of solid state molecular ionisation energies and electron affinities for organic semiconductors. Organic Electronics, 12 (2), 394-403. doi: 10.1016/j.orgel.2010.11.025
Smith, A. R. G., Riley, M. J., Lo, S.-C., Burn, P. L., Gentle, I. R. and Powell, B. J. (2011). Relativistic effects in phosphorescent Ir(III) complexes. Physical Review B, 83 (4) 041105, 041105-1-041105-4. doi: 10.1103/PhysRevB.83.041105
Stephenson, AP, Micolich, AP, Lee, KH, Meredith, P and Powell, BJ (2011). A tunable metal-organic resistance thermometer. ChemPhysChem, 12 (1), 116-121. doi: 10.1002/cphc.201000762
Jacko, A. C., McKenzie, Ross H. and Powell, B. J. (2010). Models of organometallic complexes for optoelectronic applications. Journal of Materials Chemistry, 20 (46), 10301-10307. doi: 10.1039/c0jm01786h
Jacko, A. C., Powell, B. J. and McKenzie, Ross H. (2010). Sensitivity of the photophysical properties of organometallic complexes to small chemical changes. Journal of Chemical Physics, 133 (12 Article # 124314) 124314, 124314.1-124314.13. doi: 10.1063/1.3480981
Stephenson, Andrew P., Micolich, Adam P., Divakar, Ujjual, Meredith, Paul and Powell, Ben J. (2010). Competition between superconductivity and weak localization in metal-mixed ion-implanted polymers. Physical Review B, 81 (14) 144520, 1-7. doi: 10.1103/PhysRevB.81.144520
Lanyon, B. P., Whitfield, J. D., Gillett, G. G., Goggin, M. E., Almeida, M. P., Kassal, I., Biamonte, J. D., Mohseni, M., Powell, B. J., Barbieri, M., Aspuru-Guzik, A. and White, A. G. (2010). Towards quantum chemistry on a quantum computer. Nature Chemistry, 2 (2), 106-111. doi: 10.1038/NCHEM.483
Mostert, A. Bernardus, Davy, Karl J.P., Ruggles, Jeremy L., Powell, Ben J., Gentle, Ian R. and Meredith, Paul (2009). Gaseous adsorption in melanins: Hydrophilic biomacromolecules with high electrical conductivities. Langmuir, 26 (1), 412-416. doi: 10.1021/la901290f
Scriven, Edan and Powell, B. J. (2009). Effective Coulomb interactions within BEDT-TTF dimers. Physical Review B, 80 (20) 205107, 205107-1-205107-9. doi: 10.1103/PhysRevB.80.205107
Powell, B. J., Merino, J. and McKenzie, Ross H. (2009). Ionic Hubbard model on a triangular lattice for Na0.5CoO2, Rb0.5CoO2, and K0.5CoO2: Mean-field slave boson theory. Physical Review B, 80 (8) 085113, 085113-1-085113-19. doi: 10.1103/PhysRevB.80.085113
Powell, B. J., Yusuf, Eddy and McKenzie, Ross H. (2009). Spin fluctuations and the pseudogap in organic superconductors. Physical Review B, 80 (5) 054505, 054505.1-054505.7. doi: 10.1103/PhysRevB.80.054505
Merino, Jaime, McKenzie, Ross H. and Powell, B. J. (2009). Electronic and magnetic properties of the ionic Hubbard model on the striped triangular lattice at 3/4 filling. Physical Review B, 80 (4) 045116, 045116.1-045116.12. doi: 10.1103/PhysRevB.80.045116
Powell, Ben (2009). Synthetic routes to new physics. Chemistry in Australia, 76, 18-21.
Jacko, A. C., Fjaerestad, J. O. and Powell, B. J. (2009). A unified explanation of the Kadowaki-Woods ratio in strongly correlated metals. Nature Physics, 5 (6), 422-425. doi: 10.1038/NPHYS1249
Stephenson, Andrew P., Divakar, Ujjual, Micolich, Adam P., Meredith, Paul and Powell, Ben J. (2009). Preparation of metal mixed plastic superconductors: Electrical properties of tin-antimony thin films on plastic substrates. Journal of Applied Physics, 105 (9) 093909, 093909.1-093909.6. doi: 10.1063/1.3123803
Merino, Jaime, Powell, B. J. and McKenzie, Ross H. (2009). Interplay of frustration, magnetism, charge ordering, and covalency in the ionic Hubbard model for Na0.5 CoO2. Physical Review B, 79 (16) 161103, 161103-1-161103-4. doi: 10.1103/PhysRevB.79.161103
Yusuf, Eddy, Powell, B. J. and McKenzie, Ross H. (2009). Vertex corrections and the Korringa ratio in strongly correlated electron materials. Journal of Physics: Condensed Matter, 21 (19) 195601, 1-5. doi: 10.1088/0953-8984/21/19/195601
Scriven, Edan and Powell, B. J. (2009). Toward the parametrization of the Hubbard model for salts of bis(ethylenedithio)tetrathiafulvalene: A density functional study of isolated molecules. Journal of Chemical Physics, 130 (10) 104508, 104508.1-104508.10. doi: 10.1063/1.3080543
Powell, B. J. (2008). A phenomenological model of the superconducting state of the Bechgaard salts. Journal of Physics: Condensed Matter, 20 (34) 345234, 345234-1-345234-5. doi: 10.1088/0953-8984/20/34/345234
Riesz, J. J., Gilmore, J. B., McKenzie, R. H., Powell, B. J., Pederson, M. R. and Meredith, P. (2007). Transition dipole strength of eumelanin. Physical Review E, 76 (2) 021915, 021915-1-021915-10. doi: 10.1103/PhysRevE.76.021915
Yusuf, Eddy, Powell, Benjamin and McKenzie, Ross H. (2007). Antiferromagnetic spin fluctuations in the metallic phase of quasi-two-dimensional organic superconductors. Physical Review B (Condensed Matter and Materials Physics), 75 (21) 214515, 214515-1-214515-11. doi: 10.1103/PhysRevB.75.214515
Olsen, S. C., Riesz, J., Mahadevan, I., Coutts, A., Bothma, J. P., Powell, B. J., McKenzie, R. H., Smith, S. C. and Meredith, P. (2007). Convergent Proton-transfer Photocycles Violate Mirror-image Symmetry in a Key Melanin Monomer. Journal of The American Chemical Society, 129 (21), 6672-6673. doi: 10.1021/ja069280u
Powell, B. J. and McKenzie, Ross H. (2007). Symmetry of the superconducting order parameter in frustrated systems determined by the spatial anisotropy of spin correlations. Physical Review Letters, 98 (2) 027005, 027005-1-027005-4. doi: 10.1103/PhysRevLett.98.027005
Analytis, James G., Ardavan, Arzhang, Blundell, Stephen J., Owen, Robin L., Garman, Elspeth F., Jeynes, Chris and Powell, Ben J. (2006). Effect of irradiation-induced disorder on the conductivity and critical temperature of the organic superconductor kappa-(BEDT-TTF)(2)Cu(SCN)(2). Physical Review Letters, 96 (17) 177002, 177002.1-177002.4. doi: 10.1103/PhysRevLett.96.177002
Meredith, P., Powell, B. J., Riesz, J., Nighswander-Rempel, S. P., Pederson, M. R. and Moore, E. G. (2006). Towards structure-property-function relationships for eumelanin. Soft Matter, 2 (1), 37-44. doi: 10.1039/b511922g
Merino, J., Powell, B. J. and McKenzie, Ross H. (2006). Ferromagnetism, paramagnetism, and a Curie-Weiss metal in an electron-doped Hubbard model on a triangular lattice. Physical Review B, 73 (23) 235107, 235107. doi: 10.1103/PhysRevB.73.235107
Powell, B. J. and McKenzie, R. H. (2006). Strong electronic correlations in superconducting organic charge transfer salts. Journal of Physics-condensed Matter, 18 (45) R03, R827-R866. doi: 10.1088/0953-8984/18/45/R03
Powell, B. J. (2006). Mixed order parameters, accidental nodes and broken time reversal symmetry in organic superconductors: a group theoretical analysis. Journal of Physics-Condensed Matter, 18 (46) L01, L575-L584. doi: 10.1088/0953-8984/18/46/L01
Tran, M. L., Powell, B. J. and Meredith, P. (2006). Chemical and structural disorder in eumelanins: A possible explanation for broadband absorbance. Biophysical Journal, 90 (3), 743-752. doi: 10.1529/biophysj.105.069096
Micolich, A. P., Tavenner, E., Powell, B. J., Hamilton, A. R., Curry, M. T., Giedd, R. E. and Meredith, P. (2006). Superconductivity in metal-mixed ion-implanted polymer films. Applied Physics Letters, 89 (15) 152503, 152503. doi: 10.1063/1.2358190
Powell, B. J. and McKenzie, Ross H. (2005). Half-Filled Layered Organic Superconductors and the Resonating-Valence-Bond Theory of the Hubbard-Heisenberg Model. Physical Review Letters, 94 (4) 047004, 047004-1-047004-4. doi: 10.1103/PhysRevLett.94.047004
Meredith, Paul, Powell, Ben J., Riesz, Jenny, Vogel, Robert, Blake, David, Kartini, Indriani, Will, Geff and Subianto, Surya (2005). Broadband Photon-harvesting Biomolecules for Photovoltaics. Artificial Photosynthesis: From Basic Biology to Industrial Application, 37-65.
Powell, B. J. (2005). 5,6-Dihydroxyindole-2-carboxylic acid: a first principles density functional study. Chemical Physics Letters, 402 (1-3), 111-115. doi: 10.1016/j.cplett.2004.12.010
Powell, B. J. and McKenzie, Ross H. (2004). On the relationship between the critical temperature and the London penetration depth in layered organic superconductors. Journal of Physics: Condensed Matter, 16 (30), L367-L373. doi: 10.1088/0953-8984/16/30/L03
Brake, K., Powell, B. J., McKenzie, R. H., Pederson, M. R. and Baruah, T. (2004). First-principle density-functional calculation of the Raman spectra of BEDT-TTF. Journal De Physique Iv, 114, 293-295. doi: 10.1051/jp4:2004114063
Powell, B. J. and McKenzie, Ross H. (2004). Dependence of the superconducting transition temperature of organic molecular crystals on intrinsically nonmagnetic disorder: a signature of either unconventional superconductivity or the atypical formation of magnetic moments. Physical Review B, 69 (2) 024519, 024519-1-024519-17. doi: 10.1103/PhysRevB.69.024519
Pederson, MR, Bernstein, N, Baruah, T, Powell, BJ, Brake, K and McKenzie, RH (2004). Application of DFT to melanin monomers, dimers and macromolecules.. Abstracts of Papers of The American Chemical Society, 228, U290-U290.
Powell, B. J., Baruah, T., Burnstein, N., Brake, K., McKenzie, Ross H., Meredith, P. and Pederson, M. R. (2004). A first-principles density-functional calculation of the electronic and vibrational structure of the key melanin monomers. Journal of Chemical Physics, 120 (18), 8608-8615. doi: 10.1063/1.1690758
Powell, B. J., Annett, J. F. and Gyorffy, B. L. (2003). Competition between disorder and exchange splitting in superconducting ZrZn2. Journal of Physics-condensed Matter, 15 (14), L235-L241. doi: 10.1088/0953-8984/15/14/102
Powell, B. J., Annett, J. F. and Gyorffy, B. L. (2003). The gap equations for spin singlet and triplet ferromagnetic superconductors. Journal of Physics A: Mathematical and General, 36 (35), 9289-9302. doi: 10.1088/0305-4470/36/35/314
DURANT, RH, PIERCE, KL, POWELL, BJ and SANDERS, JM (1989). DENTISTS PROFESSIONAL SATISFACTION WITH ADOLESCENT DENTISTRY AND ITS ASSOCIATION WITH ADOLESCENT DENTAL-HEALTH BEHAVIOR. Journal of Adolescent Health, 10 (1), 46-50. doi: 10.1016/0197-0070(89)90047-8
EGBERT, AM, LIESE, BA, POWELL, BJ, REED, JS and LISKOW, BI (1986). WHEN ALCOHOLICS DRINK AFTERSHAVE - A STUDY OF NONBEVERAGE ALCOHOL CONSUMERS. Alcohol and Alcoholism, 21 (3), 285-294.
BRAUNSTEIN, WB, POWELL, BJ, MCGOWAN, JF and THORESON, RW (1983). EMPLOYMENT FACTORS IN OUTPATIENT RECOVERY OF ALCOHOLICS - A MULTIVARIATE STUDY. Addictive Behaviors, 8 (4), 345-351. doi: 10.1016/0306-4603(83)90034-5
WEITZEL, WD, POWELL, BJ and PENICK, EC (1978). CLINICAL MANAGEMENT OF FATHER-DAUGHTER INCEST - CRITICAL RE-EXAMINATION. American Journal of Diseases of Children, 132 (2), 127-130. doi: 10.1001/archpedi.1978.02120270025004
HILL, SY and POWELL, BJ (1976). ACQUIRED PREFERENCE FOR MORPHINE BUT NOT D-AMPHETAMINE AS A RESULT OF SACCHARINE ADULTERATION. Psychopharmacology, 50 (3), 309-312. doi: 10.1007/BF00426850
Conference Papers
Lanyon, Benjamin P., Whitfield, James D., Gillett, Geoffrey G., Goggin, Michael E., Almeida, Marcelo P., Kassal, Ivan, Biamonte, Jacob D., Mohseni, Masoud, Powell, Benjamin J., Barbieri, Marco, Aspuru-Guzik, Alan and White, Andrew G. (2011). Simulating quantum systems in biology, chemistry, and physics. 241st National Meeting and Exposition of the American-Chemical-Society (ACS), Anaheim Ca, Mar 27-31, 2011. WASHINGTON: AMER CHEMICAL SOC.
Mutkins, Karyn, Chen, Simon S. Y., Aljada, Muhsen, Powell, Ben J., Olsen, Seth, Burn, Paul L. and Meredith, Paul (2011). Charge transport properties of carbazole dendrimers in organic field-effect transistors. Conference on Organic Field-Effect Transistors X, San Diego, United States, 22-23 August 2011. Bellingham, WA, United States: S P I E - International Society for Optical Engineering. doi: 10.1117/12.892640
Meredith, P., Mostert, B., Gentle, I. R., Hanson, G., Tandy, K., Namdas, E., Pratt, F. and Powell, B. J. (2011). Is melanin a semiconductor: The mysteries of electrical conduction and melanin bioelectronics?. ipcc2011: International Pigment Cell Conference. Skin and Other Pigment Cells: Bridging Clinical Medicine and Science, Bordeaux, France, 20-24 September 2011. Malden, MA, U.S.A.: Wiley-Blackwell Publishing. doi: 10.1111/j.1755-148X.2011.00885.x
Lanyon, B. P., Whitfield, J. D., Gillett, G. G., Goggin, M. E., Almeida, M. P., Kassal, I., Biamonte, J. D., Mohseni, M., Powell, B. J., Barbieri, M., Aspuru-Guzik, A. and White, A. G. (2009). Quantum chemistry on a quantum computer: First steps and prospects. Laser Science, LS 2009, San Jose, CA, United States, 11 - 15 October 2009. Washington, D.C.: Optical Society of America. doi: 10.1364/fio.2009.jwd3
Quintanilla, J., Hooley, C., Powell, B. J., Schofield, A. J. and Haque, M. (2008). Pomeranchuk instability: Symmetry-breaking and experimental signatures. SCES2007: International Conference on Strongly Correlated Electron Systems, Houston, TX, USA, 13-18 May, 2007. Amsterdam, Netherlands: Elsevier. doi: 10.1016/j.physb.2007.10.126
Pederson, Mark R., Anderson, W. A., Baruah, Tunna and Powell, B. J. (2006). Massively parallel simulations on light-induced charge transfer in molecules. HPCMP Users Group Conference (HPCMP-UGC'06), Denver CO, United States, 26-29 June 2006. Piscataway, NJ United States: IEEE. doi: 10.1109/HPCMP-UGC.2006.44
Powell, B. J. (2004). The origin of the difference in the superconducting critical temperatures of the beta(H) and beta(L) phases of (BEDT-TTF)(2)I-3. Les Ulis Cedexa: EDP Sciences. doi: 10.1051/jp4:2004114084
Powell, B. J., Annett, J. F. and Gyorffy, B. L. (2002). The behaviour of a triplet superconductor in a spin only magnetic field. International Conference on Ruthenate and Rutheno-Cuprate Materials, Vietri sul Mare, Italy, 25-27 October 2001. Berlin, Germany: Springer.
Data Collections
Powell, Ben and Ohlrich, Miriam (2020). Example input and output files for DFT+U calculations on a set of iron-based spin crossover materials done in VASP. The University of Queensland. (Dataset) doi: 10.14264/e619afa
Cavanagh, D. C., Jacko, A. C. and Powell, B. J. (2015). When is the Kadowaki-Woods ratio universal?: Supplementary Material. The University of Queensland. (Dataset)