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http://dx.doi.org/10.4283/JKMS.2007.17.2.086

The Study of Antiferromagnetic Spin-lattice Coupling of FeCr2Se4  

Kang, Ju-Hong (Department of Physics, Kookmin University)
Son, Bae-Soon (Department of Physics, Kookmin University)
Kim, Sam-Jin (Department of Physics, Kookmin University)
Kim, Chul-Sung (Department of Physics, Kookmin University)
Lee, H.G. (National Creative Research Initiative Center for Superconductivity and Department of Physics, Pohang University of Science and Technology)
Park, Min-Seok (National Creative Research Initiative Center for Superconductivity and Department of Physics, Pohang University of Science and Technology)
Lee, Sung-Ik (National Creative Research Initiative Center for Superconductivity and Department of Physics, Pohang University of Science and Technology)
Publication Information
Journal of the Korean Magnetics Society / v.17, no.2, 2007 , pp. 86-89 More about this Journal
Abstract
[ $FeCr_2Se_4$ ] prepared under the high pressure (3 GPa) has been studied with x-ray, neutron diffraction techniques, superconducting quantum interference device (SQUID) magnetometer, resistance, and Mossbauer spectroscopy. The temperature dependence of resistance is explained by Mott-VRH and small polaron model for the regions I (T<20 K) and II (T>42 K), respectively. Neutron diffraction results show an antiferromagnetic spin-lattice coupling near the Neel temperature. So finally the distance of atom is enlarged in region (110 shows convex type of temperature dependence.
Keywords
Mossbauer spectroscopy; selenide-material; spin-lattice coupling;
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Times Cited By KSCI : 2  (Citation Analysis)
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