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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
Source PublicationPHYSICAL REVIEW B
Volume96Issue:10
AbstractThe 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.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
Funding OrganizationNational 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
WOS KeywordTRANSITION-TEMPERATURE ; MAGNETIC ORDER ; ENHANCED SUPERCONDUCTIVITY ; TITANIUM MONOXIDE ; CRITICAL-FIELD ; DEPENDENCE ; COEXISTENCE ; INTERFACE ; VANADIUM ; NIOBIUM
Indexed BySCI
Language英语
Funding OrganizationNational 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 Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000409253700010
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33614
Collection中科院固体物理研究所
Affiliation1.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
Recommended Citation
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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