Paul C. Snijders
Oak Ridge National Laboratory
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Publication
Featured researches published by Paul C. Snijders.
Physical Review Letters | 2013
Wenbin Wang; Jun Zhao; Wenbo Wang; Zheng Gai; Nina Balke; Miaofang Chi; Ho Nyung Lee; Wei Tian; Leyi Zhu; Xuemei Cheng; D. J. Keavney; Jieyu Yi; Thomas Ward; Paul C. Snijders; Hans M. Christen; Weida Wu; Jian Shen; Xiaoshan Xu
The crystal and magnetic structures of single-crystalline hexagonal LuFeO(3) films have been studied using x-ray, electron, and neutron diffraction methods. The polar structure of these films are found to persist up to 1050 K; and the switchability of the polar behavior is observed at room temperature, indicating ferroelectricity. An antiferromagnetic order was shown to occur below 440 K, followed by a spin reorientation resulting in a weak ferromagnetic order below 130 K. This observation of coexisting multiple ferroic orders demonstrates that hexagonal LuFeO(3) films are room-temperature multiferroics.
Physical Review B | 2012
Wenbin Wang; Zheng Gai; Miaofang Chi; Jason D. Fowlkes; Jieyu Yi; Leyi Zhu; Xuemei Cheng; D. J. Keavney; Paul C. Snijders; Thomas Ward; Jian Shen; Xiaoshan Xu
A growth diagram of Lu-Fe-O compounds on an MgO (111) substrate using pulsed laser deposition is constructed according to the experimental data. The LuFe2O4 phase can only be grown in a small range of temperature and O2 pressure conditions. Fundamental understanding of the growth mechanism of Lu-Fe-O compound films are gained in terms of the thermal chemistry at the surface. Superparamagnetism is observed in a film of LuFe2O4 clusters separated by the hexagonal LuFeO3 phase and structural defects.
New Journal of Physics | 2012
Paul C. Snijders; P.S. Johnson; Nathan P. Guisinger; Steven C. Erwin; F. J. Himpsel
The stepped Si(553)-Au surface undergoes a
Journal of Applied Physics | 2013
Hangwen Guo; Dali Sun; Wenbin Wang; Zheng Gai; Ivan I. Kravchenko; Jian Shao; Lu Jiang; Thomas Ward; Paul C. Snijders; Lifeng Yin; Jian Shen; Xiaoshan Xu
Nature Communications | 2014
Zheng Gai; Wenzhi Lin; J.D. Burton; Kenji Fuchigami; Paul C. Snijders; Thomas Ward; Evgeny Y. Tsymbal; Jian Shen; Stephen Jesse; Sergei V. Kalinin; Arthur P. Baddorf
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Scientific Reports | 2015
Katyayani Seal; Amos Sharoni; Jamie M. Messman; Bradley S. Lokitz; Robert W Shaw; Ivan K. Schuller; Paul C. Snijders; Thomas Ward
Physical Review B | 2013
Steven C. Erwin; Paul C. Snijders
reconstruction at low temperature which has recently been interpreted theoretically as the
Nature Communications | 2017
Fangfei Ming; Daniel Mulugeta; Weisong Tu; Tyler S. Smith; P. Vilmercati; Geunseop Lee; Ying-Tzu Huang; Renee D. Diehl; Paul C. Snijders; Hanno H. Weitering
Applied Physics Letters | 2016
Yang Wang; Shinbuhm Lee; P. Vilmercati; Ho Nyung Lee; Hanno H. Weitering; Paul C. Snijders
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Scientific Reports | 2015
Xiaoying Xu; Shih-Che Lin; Quanshui Li; Zhili Zhang; Ilia N. Ivanov; Yuan Li; Wenbin Wang; Baohua Gu; Zhenyu Zhang; Chun-Hway Hsueh; Paul C. Snijders; Katyayani Seal