Magnetic excitations affected by spin-lattice coupling in the S=3/2 triangular lattice antiferromagnet Ag<sub>2</sub>CrO<sub>2</sub> [electronic resource]

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Bibliographic Details
Online Access: Full Text (via OSTI)
Corporate Author: Oak Ridge National Laboratory (Researcher)
Format: Government Document Electronic eBook
Language:English
Published: Washington, D.C. : Oak Ridge, Tenn. : United States. Department of Energy. Office of Science ; Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, 2020.
Subjects:

MARC

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245 0 0 |a Magnetic excitations affected by spin-lattice coupling in the S=3/2 triangular lattice antiferromagnet Ag<sub>2</sub>CrO<sub>2</sub>  |h [electronic resource] 
260 |a Washington, D.C. :  |b United States. Department of Energy. Office of Science ;  |a Oak Ridge, Tenn. :  |b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,  |c 2020. 
300 |a Size: Article No. 214411 :  |b digital, PDF file. 
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500 |a Published through Scitech Connect. 
500 |a 12/09/2020. 
500 |a "Journal ID: ISSN 2469-9950." 
500 |a ": US2205216." 
500 |a Matsuda, Masaaki ; Dissanayake, Sachith E. ; Yoshida, Hiroyuki K. ; Isobe, Masaaki ; Stone, Matthew B. ;  
520 3 |a Ag<sub>2</sub>CrO<sub>2</sub> is an S=3/2 triangular lattice antiferromagnet in which long-range magnetic order with a fivefold magnetic unit cell appears below the transition temperature (T<sub>N</sub>) of 24 K. The long-range magnetic order is accompanied by a structural transition. Inelastic neutron scattering experiments were performed to investigate the magnetic interactions, anisotropy, and correlations in this material. Above T<sub>N</sub>, diffuse scattering originating from the short-ranged magnetic correlations consistent with a 120ʻ structure was observed. Here, the magnetic excitations below T<sub>N</sub> were reproduced reasonably well using a linear spin-wave model with further-neighbor interactions and easy-axis anisotropy, which are predicted to be due to a previously proposed spin-lattice coupling. 
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650 7 |a Condensed matter physics, superconductivity and superfluidity  |2 local. 
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710 1 |a United States.  |b Department of Energy.  |b Office of Science.  |4 spn. 
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