Publications

Lee, Sangwook, Kedar Hippalgaonkar, Fan Yang, Jiawang Hong, Changhyun Ko, Joonki Suh, Kai Liu, et al. “Anomalously low electronic thermal conductivity in metallic vanadium dioxide.” Science (New York, N.Y.) 355, no. 6323 (January 2017): 371–74. https://doi.org/10.1126/science.aag0410.

Bao, Feng, Richard Archibald, Jennifer Niedziela, Dipanshu Bansal, and Olivier Delaire. “Complex optimization for big computational and experimental neutron datasets.” Nanotechnology 27, no. 48 (December 2016): 484002. https://doi.org/10.1088/0957-4484/27/48/484002.

Chen, X., D. Bansal, S. Sullivan, D. L. Abernathy, A. A. Aczel, J. Zhou, O. Delaire, and L. Shi. “Weak coupling of pseudoacoustic phonons and magnon dynamics in the incommensurate spin-ladder compound S r14 C u24 O41.” Physical Review B 94, no. 13 (October 21, 2016). https://doi.org/10.1103/PhysRevB.94.134309.

Bansal, Dipanshu, Amjad Aref, Gary Dargush, and Olivier Delaire. “Modeling non-harmonic behavior of materials from experimental inelastic neutron scattering and thermal expansion measurements.” Journal of Physics. Condensed Matter : An Institute of Physics Journal 28, no. 38 (September 2016): 385201. https://doi.org/10.1088/0953-8984/28/38/385201.

Bansal, D., J. Hong, C. W. Li, A. F. May, W. Porter, M. Y. Hu, D. L. Abernathy, and O. Delaire. “Phonon anharmonicity and negative thermal expansion in SnSe.” Physical Review B 94, no. 5 (August 9, 2016). https://doi.org/10.1103/PhysRevB.94.054307.

Jiang, M. P., M. Trigo, I. Savic, S. Fahy, D. Murray, C. Bray, J. Clark, et al. “The origin of incipient ferroelectricity in lead telluride.” Nature Communications 7 (July 22, 2016). https://doi.org/10.1038/ncomms12291.

Bao, F., R. Archibald, D. Bansal, and O. Delaire. “Hierarchical optimization for neutron scattering problems.” Journal of Computational Physics 315 (June 15, 2016): 39–39. https://doi.org/10.1016/j.jcp.2016.03.017.

Luo, C., Y. Wang, W. Ge, J. Li, D. Viehland, O. Delaire, X. Li, and H. Luo. “Hierarchical domain structure of lead-free piezoelectric (Na1/2 Bi1/2)TiO3-(K1/2 Bi1/2)TiO3 single crystals.” Journal of Applied Physics 119, no. 17 (May 4, 2016). https://doi.org/10.1063/1.4948478.

May, A. F., O. Delaire, J. L. Niedziela, E. Lara-Curzio, M. A. Susner, D. L. Abernathy, M. Kirkham, and M. A. McGuire. “Structural phase transition and phonon instability in Cu12Sb4S13.” Physical Review B 93, no. 6 (February 2016). https://doi.org/10.1103/PhysRevB.93.064104.

Hong, Jiawang, and Olivier Delaire. “Electronic Instability and Anharmonicity in SnSe.” Materials Today Physics 10 (2016): 100093–100093. https://doi.org/10.1016/j.mtphys.2019.100093.

Li, C. W., J. Hong, A. F. May, D. Bansal, S. Chi, T. Hong, G. Ehlers, and O. Delaire. “Orbitally driven giant phonon anharmonicity in SnSe.” Nature Physics 11, no. 12 (December 1, 2015): 1063–69. https://doi.org/10.1038/nphys3492.

Bansal, D., C. W. Li, A. H. Said, D. L. Abernathy, J. Yan, and O. Delaire. “Electron-phonon coupling and thermal transport in the thermoelectric compound Mo3Sb(7−x)Te(x).” Physical Review B 92, no. 21 (December 2015). https://doi.org/10.1103/PhysRevB.92.214301.

Specht, E. D., J. Ma, O. Delaire, J. D. Budai, A. F. May, and E. A. Karapetrova. “Nanoscale Structure in AgSbTe2 Determined by Diffuse Elastic Neutron Scattering.” Journal of Electronic Materials 44, no. 6 (June 1, 2015): 1536–39. https://doi.org/10.1007/s11664-014-3447-0.

Chen, Xi, Annie Weathers, Jesús Carrete, Saikat Mukhopadhyay, Olivier Delaire, Derek A. Stewart, Natalio Mingo, et al. “Twisting phonons in complex crystals with quasi-one-dimensional substructures.” Nature Communications 6 (April 2015): 6723. https://doi.org/10.1038/ncomms7723.

Delaire, O., I. I. Al-Qasir, A. F. May, C. W. Li, B. C. Sales, J. L. Niedziela, J. Ma, M. Matsuda, D. L. Abernathy, and T. Berlijn. “Heavy-impurity resonance, hybridization, and phonon spectral functions in Fe(1−x)M(x)Si (M=Ir, Os).” Physical Review B 91, no. 9 (March 2015). https://doi.org/10.1103/PhysRevB.91.094307.

Jiang, M. P., M. Trigo, S. Fahy, É. D. Murray, I. Savić, C. Bray, J. Clark, et al. “Photoinduced suppression of the ferroelectric instability in PbTe,” 2015.

Li, C. W., J. Ma, H. B. Cao, A. F. May, D. L. Abernathy, G. Ehlers, C. Hoffmann, et al. “Anharmonicity and atomic distribution of SnTe and PbTe thermoelectrics.” Physical Review B - Condensed Matter and Materials Physics 90, no. 21 (December 29, 2014). https://doi.org/10.1103/PhysRevB.90.214303.

Budai, John D., Jiawang Hong, Michael E. Manley, Eliot D. Specht, Chen W. Li, Jonathan Z. Tischler, Douglas L. Abernathy, et al. “Metallization of vanadium dioxide driven by large phonon entropy.” Nature 515, no. 7528 (November 2014): 535–39. https://doi.org/10.1038/nature13865.

Ma, J., O. Delaire, E. D. Specht, A. F. May, O. Gourdon, J. D. Budai, M. A. McGuire, et al. “Phonon scattering rates and atomic ordering in Ag(1−x)Sb(1+x)Te(2+x) (x=0, 0.1, 0.2) investigated with inelastic neutron scattering and synchrotron diffraction.” Physical Review B 90, no. 13 (October 2014). https://doi.org/10.1103/PhysRevB.90.134303.

Lara-Curzio, E., A. F. May, O. Delaire, M. A. McGuire, X. Lu, C. Y. Liu, E. D. Case, and D. T. Morelli. “Low-temperature heat capacity and localized vibrational modes in natural and synthetic tetrahedrites.” Journal of Applied Physics 115, no. 19 (May 21, 2014). https://doi.org/10.1063/1.4878676.

Li, C. W., O. Hellman, J. Ma, A. F. May, H. B. Cao, X. Chen, A. D. Christianson, et al. “Phonon self-energy and origin of anomalous neutron scattering spectra in SnTe and PbTe thermoelectrics.” Physical Review Letters 112, no. 17 (May 2014): 175501. https://doi.org/10.1103/physrevlett.112.175501.

Carlton, C. E., R. De Armas, J. Ma, A. F. May, O. Delaire, and Y. Shao-Horn. “Natural nanostructure and superlattice nanodomains in AgSbTe2.” Journal of Applied Physics 115, no. 14 (April 14, 2014). https://doi.org/10.1063/1.4870576.

Manley, M. E., J. W. Lynn, D. L. Abernathy, E. D. Specht, O. Delaire, A. R. Bishop, R. Sahul, and J. D. Budai. “Phonon localization drives polar nanoregions in a relaxor ferroelectric.” Nature Communications 5 (April 2014): 3683. https://doi.org/10.1038/ncomms4683.

Shiga, T., T. Murakami, T. Hori, O. Delaire, and J. Shiomi. “Origin of anomalous anharmonic lattice dynamics of lead telluride.” Applied Physics Express 7, no. 4 (January 1, 2014). https://doi.org/10.7567/APEX.7.041801.

Borreguero, J. M., S. I. Campbell, O. A. Delaire, M. Doucet, M. Goswami, M. E. Hagen, V. E. Lynch, et al. “Integrating advanced materials simulation techniques into an automated data analysis workflow at the spallation neutron source.” In TMS Annual Meeting, 297–308, 2014. https://doi.org/10.1002/9781118889879.ch39.