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On the possibility of a new multiband heterostructure at the atomic limit made of alternate CuO2 and FeAs superconducting layers
Ricci, A; Joseph, B; Poccia, N; Xu, W; Chen, D; Chu, WS; Wu, ZY; Marcelli, A; Saini, NL; Bianconi, A; Xu W(徐伟); Chu WS(储旺盛); Wu ZY(吴自玉)
2010
发表期刊SUPERCONDUCTOR SCIENCE & TECHNOLOGY
卷号23期号:5页码:52003
通讯作者[Ricci, A. ; Joseph, B. ; Poccia, N. ; Saini, N. L. ; Bianconi, A.] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy ; [Xu, W. ; Chen, D. ; Chu, W. S. ; Wu, Z. Y.] Chinese Acad Sci, BSRF, Inst High Energy Phys, Beijing 10049, Peoples R China ; [Wu, Z. Y.] Univ Sci & Technol China, NSRL, Hefei 230026, Peoples R China ; [Marcelli, A.] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
摘要Here we provide the material design of a possible high temperature multiband superconductor (HTMS) made of a 'heterostructure at the atomic limit' formed by alternate layers of electron doped FeAs and CuO2 separated by intercalated NdO spacers. This new class of materials is derived from the two well known electron doped superconductors Nd2CuO4 and NdOFeAs belonging to the cuprate and the pnictide families, respectively. The calculated local electronic density of states show that both the Cu and Fe bands cross the Fermi surface. This will provide (i) superconducting Fermi arcs made by charges from the CuO2 plane, and (ii) tubular Fermi surfaces, as in pnictides, by itinerant charges from the Fe atomic layer. The electronic properties of this new class of materials are presented to highlight the possibility of material design of a HTMS tuned at a shape resonance in the energy gap parameters belonging to the class of Fano-Feshbach resonances called superstripes. The Nd L-3-edge x-ray absorption near edge structure (XANES) of the proposed model system is calculated and compared with the XANES spectra of the Nd2CuO4 and NdOFeAs parent compounds.
文章类型Article
学科领域Physics
DOI10.1088/0953-2048/23/5/052003
研究领域[WOS]Physics
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语种英语
WOS类目Physics, Applied ; Physics, Condensed Matter
WOS记录号WOS:000277029800004
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被引频次:27[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/311005/240643
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Ricci, A,Joseph, B,Poccia, N,et al. On the possibility of a new multiband heterostructure at the atomic limit made of alternate CuO2 and FeAs superconducting layers[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY,2010,23(5):52003.
APA Ricci, A.,Joseph, B.,Poccia, N.,Xu, W.,Chen, D.,...&吴自玉.(2010).On the possibility of a new multiband heterostructure at the atomic limit made of alternate CuO2 and FeAs superconducting layers.SUPERCONDUCTOR SCIENCE & TECHNOLOGY,23(5),52003.
MLA Ricci, A,et al."On the possibility of a new multiband heterostructure at the atomic limit made of alternate CuO2 and FeAs superconducting layers".SUPERCONDUCTOR SCIENCE & TECHNOLOGY 23.5(2010):52003.
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