Flux Dynamics in NdO1-x F (x) FeAs Bulk Sample
Di Gioacchino, D; Marcelli, A; Zhang, S; Fratini, M; Poccia, N; Ricci, A; Bianconi, A
刊名JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
2009
卷号22期号:6页码:549-552
关键词FeAs superconductors Flux vortices and fluxons dynamics Ac multiharmonic magnetic susceptibility
学科分类Physics
DOI10.1007/s10948-009-0470-0
通讯作者[Di Gioacchino, D. ; Marcelli, A.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy ; [Zhang, S.] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China ; [Zhang, S.] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100049, Peoples R China ; [Fratini, M. ; Poccia, N. ; Ricci, A. ; Bianconi, A.] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy
文章类型Article; Proceedings Paper
英文摘要We present data of multiharmonic magneto-dynamic experiments. In particular, we performed ac magnetic susceptibility experiments on layered pnictide-oxide quaternary compound NdOFeAs doped with fluorine. The experiments allow one to measure the critical temperature and probe the flux dynamic behavior using the third harmonic component of the ac susceptibility of an NdF0.16FeAsO0.84 bulk sample as a function of temperature and frequency of the applied ac magnetic fields. Measured signals are connected with the nonlinear superconducting flux dynamic behavior and are characterized by a "flux critical states" sustaining a superconducting critical current. In this framework the irreversibility line that describes the stable superconducting state has been extracted from the onset of the third harmonic signal vs. frequency. Finally we present also the analysis of the flux dynamic dimensionality in the investigated sample.
类目[WOS]Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000267223200006
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237908
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
作者单位中国科学院高能物理研究所
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Di Gioacchino, D,Marcelli, A,Zhang, S,et al. Flux Dynamics in NdO1-x F (x) FeAs Bulk Sample[J]. JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM,2009,22(6):549-552.
APA Di Gioacchino, D.,Marcelli, A.,Zhang, S.,Fratini, M.,Poccia, N.,...&Bianconi, A.(2009).Flux Dynamics in NdO1-x F (x) FeAs Bulk Sample.JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM,22(6),549-552.
MLA Di Gioacchino, D,et al."Flux Dynamics in NdO1-x F (x) FeAs Bulk Sample".JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM 22.6(2009):549-552.
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