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標題:Charge-Orbital Ordering and Verwey Transition in Magnetite Measured by Resonant Soft X-Ray Scattering
學年94
學期2
出版(發表)日期2006/03/01
作品名稱Charge-Orbital Ordering and Verwey Transition in Magnetite Measured by Resonant Soft X-Ray Scattering
作品名稱(其他語言)
著者Huang, D. J.; Lin, H.-J.; Okamoto, J.; Chao, K. S.; Jeng, H.-T.; Guo, G. Y.; Hsu, C.-H.; Huang, C.-M.; Ling, D. C.; Wu, W. B.; Yang, C. S.; Chen, C. T.
單位淡江大學物理學系
出版者College Park: American Physical Society
著錄名稱、卷期、頁數Physical Review Letters 96(9), 096401(4 pages)
摘要We report experimental evidence for the charge-orbital ordering in magnetite below the Verwey transition temperature TV. Measurements of O K-edge resonant x-ray scattering on magnetite reveal that the O 2p states in the vicinity of the Fermi level exhibit a charge-orbital ordering along the c axis with a spatial periodicity of the doubled lattice parameter of the undistorted cubic phase. Such a charge-orbital ordering vanishes abruptly above TV and exhibits a thermal hysteresis, correlating closely with the Verwey transition in magnetite.
關鍵字Charge-orbital ordering;Thermal hysteresis;Undistorted cubic phase;Verwey transition;Electron transitions;Fermi level;Hysteresis;Lattice constants;X ray scattering;Magnetite
語言英文
ISSN1079-7114;0031-9007
期刊性質國外
收錄於SCI
產學合作
通訊作者Huang, D. J.
審稿制度
國別美國
公開徵稿
出版型式紙本;電子版
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