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Orbital selection of the double [CuO2] layer compound Ca3Cu2O4Cl2

Orbital selection of the double [CuO2] layer compound Ca3Cu2O4Cl2
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摘要 The discovery of high-temperature copper oxide superconductors(HTS)by Bednorz and Muller[1]in 1986 opened up a new field of superconductivity.Since then,several different families of materials have been discovered with greatly increased superconducting critical temperature(Tc)[2].Oxychloride cuprates,Can+1CunO2wCl2,are one such type of parent compound of high Tc cuprate superconductors.There are two members in this family known so far that can exist at ambient pressure:Ca2CuO2Cl2(single[Cu02]layer CCOC)and Ca3Cu2O4Cl2(double[CuO2]layer CCOC).Both are composed of a[CuO2]plane with the apical oxygen replaced by chlorine atoms.
出处 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS CSCD 2019年第10期123-126,共4页 中国科学:物理学、力学、天文学(英文版)
基金 supported by the National Natural Science Foundation of China(Grant No.11820101003) the Ministry of Science&Technology(Grant Nos.2018YFA0305701,2017YFA0302901,and 2016YFA0300301)
关键词 compound LAYER DOUBLE
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