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Title: Interplay between Frustration and Spin-Orbit Coupling in Vanadates

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 MV 2O 4 (M = Cd, Mg). We observe a magnetization jump and the electric polarization is suppressed implying a symmetry change.
Authors:
 [1] ;  [2] ;  [3] ;  [3] ;  [4] ;  [4] ;  [2] ;  [2]
  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)
Publication Date:
OSTI Identifier:
1119579
Report Number(s):
LA-UR-14-20585
DOE Contract Number:
AC52-06NA25396; DMR-1157490
Resource Type:
Technical Report
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; High Magnetic Field Science