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スピンラダー化合物(C5H9NH3)2CuBr4のESR
http://hdl.handle.net/10098/1254
http://hdl.handle.net/10098/1254f62ee40c-5770-40aa-974a-80cb912f78f1
名前 / ファイル | ライセンス | アクション |
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BD00005665_001.pdf (783.3 kB)
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Item type | 研究報告書 / Research Paper(1) | |||||
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公開日 | 2007-12-13 | |||||
タイトル | ||||||
タイトル | スピンラダー化合物(C5H9NH3)2CuBr4のESR | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | ESR study on spin ladder compound (C5H9NH3)2CuBr4 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18ws | |||||
資源タイプ | research report | |||||
著者 |
藤本, 好邦
× 藤本, 好邦× 藤田, 敏之× 光藤, 誠太郎× 出原, 敏孝× 佐々木, 隆暁× 藤井, 裕× 菊池, 彦光× 千葉, 明朗× FUJIMOTO, Y× FUJITA, T× MITSUDO, S× IDEHARA, T× SASAKI, T× FUJII, Y× KIKUCHI, H× CHIBA, M |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | ESR measurements have been performed on a S=1/2 Heisenberg antiferromagnetic ladder-like system (C5H9NH3)2CuBr4 (abbreviate to (CPA)2CuBr4). Poly crystal samples have been investigated by Millimeter wave Vector Network Analyzer (MVNA, ABmm) in a magnetic field up to 15 T and in the temperature down to 1.5k. At high temperatures, a broad ESR spectrum has been observed. The estimated g-value and linewidth are 2.20 and 0.49 t, respectively in the measurements with 35GHz at 188K. With decreasing temperature below 10K, which corresponds to the broad maximum of the susceptibility, we have observed the damping of the EPR intensity and the development of new absorptions. The resonance frequencies are proportional to B2/3 at low temperatures. The temperature dependence of the linewidth behaves as the one in the breather and spinon excitation mode of Cu-Benzoate. | |||||
書誌情報 |
遠赤外領域開発研究 巻 7, p. 99-107, 発行日 2006-07 |
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書誌レコードID | ||||||
識別子タイプ | NCID | |||||
関連識別子 | TD00005665 |