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Hydrostatic pressure effect on the transport properties in TiO superconducting thin films
Liu, X.1; Zhang, C.1; Hao, F. X.1; Wang, T. Y.1; Fan, Y. J.1; Yin, Y. W.1; Li, X. G.1,2,3
2017-09-05
发表期刊PHYSICAL REVIEW B
卷号96期号:10
摘要The superconducting properties of the TiO epitaxial thin films were systematically investigated under hydrostatic pressures (P) up to 2.13 GPa. At ambient pressure, the normal state resistivity increases with decreasing temperature, and steeply increases below T-kink similar to 115 K. With further reducing temperature to T-c similar to 5.99 K, the thin film enters into a superconducting state. Interestingly, the superconducting temperature T-c gradually decreases upon increasing P, and the decreasing rate of T-c with P is much larger than the McMillan theoretical expectation. In contrast, T-kink increases with P and a remarkable resistivity enhancement was observed in the temperature range between T-kink and T-c. The variations of T-c, T-kink, and normal state resistivity under high pressure may be induced by the charge localization related to the atomic vacancies rearrangement in TiO thin film. Furthermore, the temperature dependencies of the upper critical field H-c2(T) indicate that both the orbital and Pauli-paramagnetic pair-breaking effects should be taken into account. Finally, the thermally activated flux flow investigations under different pressures suggest that the pressure will suppress the thermal activate energy.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
资助者National Natural Science Foundation of China(51332007 ; National Natural Science Foundation of China(51332007 ; National Basic Research Program of China(2016YFA0300103 ; National Basic Research Program of China(2016YFA0300103 ; 21521001 ; 21521001 ; 2015CB921201 ; 2015CB921201 ; 51622209) ; 51622209) ; 2012CB922003) ; 2012CB922003) ; National Natural Science Foundation of China(51332007 ; National Natural Science Foundation of China(51332007 ; National Basic Research Program of China(2016YFA0300103 ; National Basic Research Program of China(2016YFA0300103 ; 21521001 ; 21521001 ; 2015CB921201 ; 2015CB921201 ; 51622209) ; 51622209) ; 2012CB922003) ; 2012CB922003)
DOI10.1103/PhysRevB.96.104505
关键词[WOS]TRANSITION-TEMPERATURE ; MAGNETIC ORDER ; ENHANCED SUPERCONDUCTIVITY ; TITANIUM MONOXIDE ; CRITICAL-FIELD ; DEPENDENCE ; COEXISTENCE ; INTERFACE ; VANADIUM ; NIOBIUM
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(51332007 ; National Natural Science Foundation of China(51332007 ; National Basic Research Program of China(2016YFA0300103 ; National Basic Research Program of China(2016YFA0300103 ; 21521001 ; 21521001 ; 2015CB921201 ; 2015CB921201 ; 51622209) ; 51622209) ; 2012CB922003) ; 2012CB922003) ; National Natural Science Foundation of China(51332007 ; National Natural Science Foundation of China(51332007 ; National Basic Research Program of China(2016YFA0300103 ; National Basic Research Program of China(2016YFA0300103 ; 21521001 ; 21521001 ; 2015CB921201 ; 2015CB921201 ; 51622209) ; 51622209) ; 2012CB922003) ; 2012CB922003)
WOS研究方向Physics
WOS类目Physics, Condensed Matter
WOS记录号WOS:000409253700010
引用统计
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33614
专题中科院固体物理研究所
作者单位1.Univ Sci & Technol China, Dept Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230026, Anhui, Peoples R China
3.Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
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GB/T 7714
Liu, X.,Zhang, C.,Hao, F. X.,et al. Hydrostatic pressure effect on the transport properties in TiO superconducting thin films[J]. PHYSICAL REVIEW B,2017,96(10).
APA Liu, X..,Zhang, C..,Hao, F. X..,Wang, T. Y..,Fan, Y. J..,...&Li, X. G..(2017).Hydrostatic pressure effect on the transport properties in TiO superconducting thin films.PHYSICAL REVIEW B,96(10).
MLA Liu, X.,et al."Hydrostatic pressure effect on the transport properties in TiO superconducting thin films".PHYSICAL REVIEW B 96.10(2017).
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