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説明:

We measured magnetization, specific heat, electron spin resonance, neutron diffraction, and inelastic neutron scattering of CrVMoO7 powder. An antiferromagnetically ordered state appears below TN = 26.5 ± 0.8 K. We consider that the probable spin model for CrVMoO7 is an interacting antiferromagnetic spin- 3/2 dimer model. We evaluated the intradimer interaction J to be 25 ± 1 K and the effective interdimer interaction Jeff to be 8.8 ±1 K. CrVMoO7 is a rare spin dimer compound that shows an antiferromagnetically ordered state at atmospheric pressure and zero magnetic field. The magnitude of ordered moments is 0.73(2)μB. It is much smaller than a classical value ∼3μB. Longitudinal-mode magnetic excitations may be observable in single crystalline CrVMoO7.

権利情報:

キーワード: magnetism, antiferromagnetically ordered state, neutron scattering, spin-3/2 dimer, magnetization, CrVMoO7

刊行年月日: 2017-04-24

出版者: American Physical Society

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研究助成金:

原稿種別: 査読前原稿 (Author's original)

MDR DOI:

公開URL: https://doi.org/10.1103/PhysRevB.95.144429

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更新時刻: 2024-01-05 22:13:38 +0900

MDRでの公開時刻: 2021-08-14 03:54:58 +0900