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Polar and Magnetic Mn2FeMO6 (M = Nb, Ta) with LiNbO3-type Structure - High Pressure Synthesis

Li, Man-Rong; Walker, David; Retuerto, Maria; Sarkar, Tapati; Hadermann, Joke; Stephens, Peter W.; Croft, Mark; Ignatov, Alexander; Grams, Christoph P.; Hemberger, Joachim; Nowik, Israel; Halasyamani, P. Shiv; Tran, T. Thao; Mukherjee, Swarnakamal; Dasgupta, Tanusri Saha; Greenblatt, Martha

Polar oxides are of much interest in materials science and engineering. Their symmetry-dependent properties such as ferroelectricity/multiferroics, piezoelectricity, pyroelectricity, and second-order harmonic generation (SHG) effect are important for technological applications. However, polar crystal design and synthesis is challenging, because multiple effects, such as steric or dipole-dipole interactions, typically combine to form non-polar structures; so the number of known polar materials, especially polar magnetoelectric materials, is still severely restricted. Therefore, it is necessary for the material science community to develop new strategies to create these materials.

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Angewandte Chemie International Edition

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Academic Units
Earth and Environmental Sciences
Published Here
June 19, 2013
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