Interplay between Frustration and Spin-Orbit Coupling in Vanadates

Technical Report · Fri Jan 31 00:00:00 EST 2014

DOI:https://doi.org/10.2172/1119579· OSTI ID:1119579

Mun, Eun Deok ^[1]; Chern, Gia-Wei ^[2]; Pardo, Victor ^[3]; Rivadulla, Francisco ^[3]; Sinclair, R. ^[4]; Zhou, H. D. ^[4]; Zapf, Vivien ^[2]; Batista, Cristian D. ^[2]

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1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Ames Lab., Ames, IA (United States)
2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
3. Univ. of Santiago de Compostela, Galicia (Spain)
4. Univ. of Tennessee, Knoxville, TN (United States)

Spin-orbit interactions do not normally play the leading role in determining the magnetic ordering of 3d-based materials. However, in certain magnets the dominant magnetic interactions arefrustrated, leaving spin-orbit interactions to play an important role in selecting the ordering. Understanding how to model the interplay between spin-orbit interactions, magnetism and structural distortion is important for an increasing number of frustrated materials. Here we measure a field-induced multiferroic transition in the frustrated spinels MV₂O₄ (M = Cd, Mg). We observe a magnetization jump and the electric polarization is suppressed implying a symmetry change.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
• DOE Contract Number: AC52-06NA25396; DMR-1157490
• OSTI ID: 1119579
• Report Number(s): LA-UR-14-20585
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
High Magnetic Field Science