High-Magnetic-Field Effect on Interplay between Sm 4f and Mn 3d Moments in SmMnO3
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概要
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Measurements of magnetization and dielectric constant were carried out in static magnetic fields up to 35 T for an N-type ferrimagnetic SmMnO3 with the compensation temperature T_{\text{comp}} = 9.4 K. In-field data exhibit a first-order-like transition at around T_{\text{comp}}. The temperature profiles of the magnetization around the transition point show different behaviors between the data taken in magnetic fields whose energy is below and above the magnitude of the interaction between Sm 4f and Mn 3d moments. We interpret that the observed transition results from keen competition among thermal energy, the Zeeman energy, and the f--d interaction.
- 2012-01-15
著者
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Kimura Tsuyoshi
Division Of Biofunctional Molecules Institute Of Biomaterials And Bioengineering Tokyo Medical And D
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Choi Eun
National High Magnetic Field Laboratory
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Hwang Jungmin
National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310-3706, U.S.A.
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IYAMA Ayato
Division of Materials Physics, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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JUNG Jong-Suck
Division of Materials Physics, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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