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Title: Magnetic exchange disorder in low-dimensional quantum magnets

Abstract

Low-dimensional quantum magnetism is currently of great interest due to the fact that reduced dimensionality can support strong quantum fluctuations, which may lead to unusual phenomena and quantum-critical behavior. The effect of random exchange strengths in two-dimensional (2D) antiferromagnets is still not fully understood despite much effort. This project aims to rectify this by investigating the high-field properties of the 2D coordination polymer (QuinH) 2Cu(Cl xBr 1-x) 4.2H 2O. The exchange pathway is through Cu-Halide-Cu bonds, and by randomizing the proportion of chlorine and bromine atoms in the unit cell, disorder can be introduced into the system.

Authors:
 [1];  [1];  [2];  [3];  [3];  [4];  [5]
  1. Univ. of Warwick, Coventry (United Kingdom)
  2. Univ. of Bern (Switzerland)
  3. Clark Univ., Worcester, MA (United States)
  4. Univ. of Durham (United Kingdom)
  5. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1343725
Report Number(s):
LA-UR-17-21121
DOE Contract Number:  
AC52-06NA25396
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; High Magnetic Field Science

Citation Formats

Blackmore, W. J.A., Goddard, P. A., Xiao, F., Landee, C. P., Turnbull, M. M., Lancaster, T, and Singleton, John. Magnetic exchange disorder in low-dimensional quantum magnets. United States: N. p., 2017. Web. doi:10.2172/1343725.
Blackmore, W. J.A., Goddard, P. A., Xiao, F., Landee, C. P., Turnbull, M. M., Lancaster, T, & Singleton, John. Magnetic exchange disorder in low-dimensional quantum magnets. United States. doi:10.2172/1343725.
Blackmore, W. J.A., Goddard, P. A., Xiao, F., Landee, C. P., Turnbull, M. M., Lancaster, T, and Singleton, John. Mon . "Magnetic exchange disorder in low-dimensional quantum magnets". United States. doi:10.2172/1343725. https://www.osti.gov/servlets/purl/1343725.
@article{osti_1343725,
title = {Magnetic exchange disorder in low-dimensional quantum magnets},
author = {Blackmore, W. J.A. and Goddard, P. A. and Xiao, F. and Landee, C. P. and Turnbull, M. M. and Lancaster, T and Singleton, John},
abstractNote = {Low-dimensional quantum magnetism is currently of great interest due to the fact that reduced dimensionality can support strong quantum fluctuations, which may lead to unusual phenomena and quantum-critical behavior. The effect of random exchange strengths in two-dimensional (2D) antiferromagnets is still not fully understood despite much effort. This project aims to rectify this by investigating the high-field properties of the 2D coordination polymer (QuinH)2Cu(ClxBr1-x)4.2H2O. The exchange pathway is through Cu-Halide-Cu bonds, and by randomizing the proportion of chlorine and bromine atoms in the unit cell, disorder can be introduced into the system.},
doi = {10.2172/1343725},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Feb 13 00:00:00 EST 2017},
month = {Mon Feb 13 00:00:00 EST 2017}
}

Technical Report:

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