title: ÐÑÐ¸Ð¼ÐµÐ½ÐµÐ½Ð¸Ðµ ÐºÐ¾Ð½ÑÐ°ÐºÑÐ¾Ð² ÐÐ¶Ð¾Ð·ÐµÑÑÐ¾Ð½Ð° ÑÐ°Ð·Ð»Ð¸ÑÐ½Ð¾Ð¹ ÐºÐ¾Ð½ÑÐ¸Ð³ÑÑÐ°ÑÐ¸Ð¸ Ð² ÑÐ¾ÑÑÐ°Ð²Ðµ ÑÑÐ°Ð»Ð¾Ð½Ð° ÐµÐ´Ð¸Ð½Ð¸ÑÑ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ñ â Ð²Ð¾Ð»ÑÑÐ°
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Application of Josephson junctions of different configuration as part of the voltage standard unit
Creators: name: Ð¡Ð»Ð°Ð´Ð¾Ð²ÑÐºÐ¸Ð¹, ÐÐ²Ð°Ð½
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2024
Subjects: ÑÐ²ÐµÑÑ Ð¿ÑÐ¾Ð²Ð¾Ð´Ð½Ð¸Ðº
Ð½Ð°Ð¿ÑÑÐ¶ÐµÐ½Ð¸Ðµ
ÑÑÑÐµÐºÑ ÐÐ¶Ð¾Ð·ÐµÑÑÐ¾Ð½Ð°
Ð¿ÐµÑÐµÑ Ð¾Ð´ ÐÐ¶Ð¾Ð·ÐµÑÑÐ¾Ð½Ð°
SIS
SNS
Ð½Ð¸Ð¾Ð±Ð¸Ð¹
ÐºÐ²Ð°Ð½ÑÐ¾Ð²Ð°Ñ ÑÑÑÐ¿ÐµÐ½Ñ
superconductor
voltage
Josephson effect
Josephson junction
niobioum
quantum step

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description: The aim of the work is to investigate the possibility of application of Josephson junctions of different configurations in the standard of electric voltage unit. Arrays of Josephson junctions are actively used as a basis for voltage reproduction by means of fundamental physical constants. Absence of influence of chemical and electro-physical properties of materials, as well as precise determination of the value of fundamental physical constants make Josephson junctions the most accurate way of voltage reproduction. Differences in the materials used, transition layout and control methods affect the output voltage characteristics, such as critical current and quantum step width. Also, the use of new devices and technologies has made it possible to create arrays of junctions with large voltages, and control of the reference signal and delta-sigma modulation have opened the possibility of reproducing variable voltages. As a result of the study, the main characteristics of Josephson junctions were obtained: the critical current and the volt-ampere characteristic of the output voltage. It was found out that the accuracy of the obtained constant voltage corresponds to the requirements for primary standards, which indicates the feasibility of using this technology. Also, the analysis of the results showed that the system with programmable Josephson voltage measure can reproduce alternating voltage. The theoretical information was searched in the global computer networks Google Scholar.