SEMI OpenIR  > 中科院半导体材料科学重点实验室
Microwave Study of FeSe0.3Te0.7 Thin Film by TE011-Mode Sapphire Dielectric Resonator
Wu Y; Zhou SY; Wang XY; Cao LX; Zhang XQ; Luo S; He YS; Barannik AA; Cherpak NT; Skresanov VN
2011
Source PublicationIEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
Volume21Issue:3Pages:599-601
AbstractHigh quality epitaxial thin films of FeSe1-xTex (x = 0-1) have been successfully fabricated. Their superconducting transition temperatures are around 8-13 K. Microwave properties of a film (x = 0.7) was studied by a sapphire dielectric cavity at 9.315 GHz. The cavity, which has a quality factor of 45000 in room temperature with TE011-mode, is specially designed for the measurement of small samples with the sapphire cylinder having a small hole in the center. Thin film samples with dimension of 1-2 mm can be put in the middle of the hole, supported by a very thin sapphire rod. The cavity is sealed in a vacuum chamber soaked in the liquid He-4 and the temperature of the thin sapphire rod (hence the sample) can be controlled from 1.6 K to 60 K with a stability about +/-1 mK. Temperature dependence of transmission response and Q-factors were measured by a network analyser (Agilent N5230C). The results showed a clear signature of multi-gap superconductivity. No evidences of existence of node in the energy gap were found as the normalized change in the surface reactance and the corresponding normalized change in the in-plane penetration depth have flat dependence at low temperatures.
metadata_24国际
KeywordCavity Resonator Microwave Measurement Multi-gap Node
Subject Area半导体材料
Indexed BySCI
Language英语
Date Available2011-07-07
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/21393
Collection中科院半导体材料科学重点实验室
Recommended Citation
GB/T 7714
Wu Y,Zhou SY,Wang XY,et al. Microwave Study of FeSe0.3Te0.7 Thin Film by TE011-Mode Sapphire Dielectric Resonator[J]. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,2011,21(3):599-601.
APA Wu Y.,Zhou SY.,Wang XY.,Cao LX.,Zhang XQ.,...&Skresanov VN.(2011).Microwave Study of FeSe0.3Te0.7 Thin Film by TE011-Mode Sapphire Dielectric Resonator.IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY,21(3),599-601.
MLA Wu Y,et al."Microwave Study of FeSe0.3Te0.7 Thin Film by TE011-Mode Sapphire Dielectric Resonator".IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY 21.3(2011):599-601.
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