On the possible separation of the phase enriched with Nb in superconducting intermetallic Nb3Sn irradiated with fast protons


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Аннотация

The results of the study of magnetization and dynamic magnetic susceptibility are correlated with changes in the microstructure of superconducting intermetallic Nb3Sn plates irradiated at the Kurchatov Institute cyclotron with fast protons with an energy of 12.8 MeV to a fluence of 1 · 1018 cm−2. The dependence of the superconducting transition temperature on the total irradiation dose is determined. For one of the samples, the dynamic magnetic susceptibility exhibits several steps corresponding to superconducting transitions at different temperatures. It is assumed that a Nb-enriched phase is separated in the region of maximum radiation damages. A microstructural analysis shows the appearance of randomly oriented Nb-enriched regions from 0.1 to 0.5 μm in size.

Авторлар туралы

A. Vasil’ev

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

A. Ballarino

CERN

Email: degtyarenkopn@gmail.com
Швейцария, Geneva 23, CH-1211

L. Bottura

CERN

Email: degtyarenkopn@gmail.com
Швейцария, Geneva 23, CH-1211

S. Gavrilkin

Lebedev Physical Institute

Email: degtyarenkopn@gmail.com
Ресей, Leninskii pr. 53, Moscow, 119991

P. Degtyarenko

Russian Scientific Center “Kurchatov Institute”; Joint Institute for High Temperatures

Хат алмасуға жауапты Автор.
Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182; Izhorskaya ul. 13, Bd. 2, Moscow, 125412

I. Karateev

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

V. Kruglov

Russian Scientific Center “Kurchatov Institute”; National Research Nuclear University “MEPhI”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182; Kashirskoe sh. 31, Moscow, 115409

S. Latushkin

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

A. Lunev

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

A. Ryazanov

Russian Scientific Center “Kurchatov Institute”; National Research Nuclear University “MEPhI”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182; Kashirskoe sh. 31, Moscow, 115409

E. Semenov

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

V. Unezhev

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

R. Flükiger

CERN; Laboratory of Crystallography

Email: degtyarenkopn@gmail.com
Швейцария, Geneva 23, CH-1211; Geneva 4, CH-1211

S. Shavkin

Russian Scientific Center “Kurchatov Institute”

Email: degtyarenkopn@gmail.com
Ресей, pl. Kurchatova 1, Moscow, 123182

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