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Muhtar Ahart Print E-mail

Research Scientist
Phone: (202) 478-8932
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Recent Publications

Chen, X. J., V. V. Struzhkin, Y. Song, A. F. Goncharov, M. Ahart, Z. Liu,
H. K. Mao, and R. J. Hemley, Pressure-induced metallization of solid silane, Proc. Nat. Acad. Sci., 105, 20-23 (2008).
Ahart, M., M. Somayazulu, P. Dera, H. K. Mao, R. E. Cohen, R. J. Hemley,
Y. Ren, H. P. Liermann, and Z. Wu, Origin of morphotropic phase boundaries in ferroelectrics, Nature, 451, 545-548 (2008).
Stevens, L. L., E. B. Orler, D. M. Dattelbaum, M. Ahart, and R. J. Hemley,
A Brillouin-scattering determination of the acoustic properties and their pressure dependence for three polymeric elastomers, J. Chem. Phys., 127, 104906 (2007).
Goncharov, A. F., S. V. Sinogeiken, J. C. Crowhurst, M. Ahart,
D. L. Lakshtanov, V. Prakapenka, J. D. Bass, P. Beck, S. N. Tkachev, J. M. Zaug, and Y. Fei, Cubic boron nitride as a primary calibrant for a high temperature pressure scale, High Press. Res., 27, 409-417 (2007).
Ahart, M., A. Asthagiri, Z. G. Ye, P. Dera, H. K. Mao, R. E. Cohen, and R. J. Hemley, Brillouin scattering study of Pb(Mg1/3Nb2/3)O3, Phys.
Rev. B, 75, 144410 (2007).
Ahart, M., A. Asthagiri, R. E. Cohen, J. L. Yarger, H. K. Mao and R. J.
Hemley, Brillouin spectroscopy of relaxor ferroelectrics and metal hydrides, J. Mat. Sci. and Engineering A, 442, 519-522 (2006).
Ahart, M., J. L. Yarger, K. M. Lantzky, S. Nakano, H. K. Mao and R. J.
Hemley, High-pressure Brillouin scattering of amorphous BeH2, J. Chem. Phys., 124, 14502 (2006).
Ahart, M., A. Asthagiri, P. Dera, H. K. Mao, R. E. Cohen and R. J. Hemley, Single-domain electromechanical constants for
Pb(Zn1/3Nb2/3)O3-4.5%PbTiO3 from micro-brillouin scattering, Appl. Phys. Lett., 88, 042908 (2006).
Ahart, M., R. E. Cohen, V. Struzhkin, E. Gregoryanz, D. Rytz, S. Prosandeev, R. J. Hemley and H. K. Mao, High-pressure scattering and x-ray
diffraction study of the relaxor ferroelectric 0.96Pb(Zn1/3Nb2/3)O3 - 0.04PbTiO3, Phys. Rev. B, 71, 144102 (2005).