Dr. Jaime A. Fernandez-Baca

Leader, Triple-Axis Spectroscopy Group

Education

PhD in Experimental Condensed Matter Physics, University of Maryland, College Park, Maryland

Description of Research

Magnetic ordering and spin dynamics of strongly correlated electron materials such as magnetoresistive oxides, multiferroics, and related alloys using neutron scattering techniques.

Selected Publications

F. Ye, Songxue Chi, J.A. Fernandez-Baca, A. Moreo, E. Dagotto,J. W. Lynn, R. Mathieu, Y. Kaneko, Y. Tokura,  and Pengcheng Dai, “Electronic self-organization in the single-layer manganite Pr1-xCa1+xMnO4," Phys. Rev. Lett. 103, 167202(2009)

Hao Sha, F. Ye, Pengcheng Dai, J. A. Fernandez-Baca, D. Mesa, J. W. Lynn, Y. Tomioka, Y. Tokura, and Jiandi Zhang, “Signature of Magnetic Phase Separation in the Ground State of Pr1−xCaxMnO3," Phys. Rev. B 78, 052410 (2008)

F. Ye, J. A. Fernandez-Baca, R. S. Fishman, Y. Ren, H. J. Kang, Y. Qiu, and T. Kimura, “Magnetic Interaction in the Geometrically Frustrated Triangular Lattice Antiferromagnet CuFeO2,"  Phys. Rev. Lett. 99, 157201 (2007)

F. Ye, Pengcheng Dai, J. A. Fernandez-Baca, Hao Sha, J. W. Lynn, H. Kawano-Furukawa, Y. Tomioka, Y. Tokura, and Jiandi Zhang, “Evolution of spin-wave excitations in ferromagnetic metallic manganites,” Phys. Rev. Lett. 96, 47204 (2006)

F. Ye, J. A. Fernandez-Baca, Pengcheng Dai, J. W. Lynn, H. Kawano-Furukawa, H. Yoshizawa, Y. Tomioka, and Y. Tokura, “Electronically smectic-like phase in a nearly half-doped manganite,” Phys. Rev. B 72, 212404 (2005)

J. A. Fernandez-Baca, P. Dai, H. Kawano-Furukawa, H. Yoshizawa, E. W. Plummer, S. Katano, Y. Tomioka, and Y. Tokura, “Microscopic spin interactions in the CMR manganites,” Phys. Rev B 66, 054434 (2002)

Jiandi Zhang, P. Dai, J. A. Fernandez-Baca, E. W. Plummer, Y. Tomioka, and Y. Tokura, “Jahn-Teller Phonon Anomaly and Dynamic Phase Fluctuations in La0.7Ca0.3MnO3,” Phys. Rev. Lett. 86, 3823 (2001)

P. Dai, J. A. Fernandez-Baca, N. Wakabayashi, E. W. Plummer, Y. Tomioka and Y. Tokura, “Short-range polaron correlations in the ferromagnetic La1-xCaxMnO3,” Phy. Rev. Lett Lett  85, 2553 (2000)

J. A. Fernandez-Baca, P. Dai, H. Y. Hwang, S-W. Cheong and C. Kloc, “Evolution of the low-frequency spin dynamics in ferromagnetic manganites,” Phys. Rev. Lett. 80, 4012 (1998)