Microwave properties of high-temperature Josephson contacts on a sapphire bicrystal substrate

被引：1
|
作者：
Pestov, E. E. [1 ,2 ]
Masterov, D. V. [1 ]
Parafin, A. E. [1 ]
Pavlov, S. A. [1 ]
Klushin, A. M. [1 ]
机构：
[1] Russian Acad Sci, Inst Phys Microstruct, Ul Akad Skaya 7, Afonino 607680, Nizhny Novgorod, Russia
[2] Lobachevsky State Univ Nizhny Novgorod, Pr Gagarina 23, Nizhnii Novgorod 603950, Russia
来源：
PHYSICS OF THE SOLID STATE | 2017年 / 59卷 / 11期
基金：
俄罗斯基础研究基金会;
关键词：
VOLTAGE STANDARDS; YBCO; JUNCTIONS; FILMS; SUPERCONDUCTORS; SPECTROSCOPY;
D O I：
10.1134/S1063783417110257
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
HTS bicrystal junctions up to 50 mu m wide on sapphire substrates have been studied. The dependences of the critical current on the temperature and external magnetic field of these contacts have been measured. The irradiation of the Josephson junction on a sapphire substrate at the frequency of 73 GHz at the temperature of 77 K resulted in the appearance of Shapiro steps in the current-voltage characteristic (IVC) at the voltage of 150 mu V. The possibility of using such contacts in voltage standards at the temperature of 77 K in the ranges of microwave and terahertz frequencies has been analyzed.
引用
收藏
页码：2137 / 2142
页数：6
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