Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals
Evolution of the excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals has been studied under stepwise oxygen removal by heat treatment. The concentration dependence of the coherence length along С axis εc(0) on the oxygen content has been obtained. The oxygen content reduction from δ ≤ 0.1 to δ ≈...
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| Дата: | 2006 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | English |
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НТК «Інститут монокристалів» НАН України
2006
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| Назва видання: | Functional Materials |
| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/140076 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals / A.V. Bondarenko, R.V. Vovk, M.A. Obolensky, N.N. Chebotaev // Functional Materials. — 2006. — Т. 13, № 2. — С. 245-248. — Бібліогр.: 11 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
nasplib_isofts_kiev_ua-123456789-140076 |
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nasplib_isofts_kiev_ua-123456789-1400762025-02-09T17:49:25Z Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals Вплив кисневого дефіциту на температурну залежність надлишкової провідності монокристалів Y₁Ba₂Cu₃O₇-δ Bondarenko, A.V. Vovk, R.V. Obolensky, M.A. Chebotaev, N.N. Evolution of the excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals has been studied under stepwise oxygen removal by heat treatment. The concentration dependence of the coherence length along С axis εc(0) on the oxygen content has been obtained. The oxygen content reduction from δ ≤ 0.1 to δ ≈ 0.23 has been shown to result in a substantial broadening of the temperature interval where the excess conductivity takes place. The εc(0) value increases more than twice and the 2D-3D crossover point is shifted in temperature. Дослiджено еволюцiю надлишкової провiдностi монокристалiв Y₁Ba₂Cu₃O₇-δ при поетапному видаленнi кисню шляхом термообробки. Отримано концентрацiйну залежнiсть довжини когерентностi у напрямку осi с εc(0) вiд вмiсту кисню. Показано, що зменшення вмiсту кисню вiд δ ≤ 0.1 to δ ≈ 0.23 зумовлює значне розширення температурного iнтервалу iснування надлишкової провiдностi. При цьому величина εc(0) збiльшується бiльш нiж у два рази та змiщується за температурою точка 2D-3D кросоверу. Исследована эволюция избыточной проводимости монокристаллов Y₁Ba₂Cu₃O₇-δ при поэтапном удалении кислорода путем термообработки. Получена концентрационная зависимость длины когерентности в направлении оси с εc(0) от содержания кислорода. Показано, что понижение содержания кислорода от δ ≤ 0.1 to δ ≈ 0.23 приводит к значительному расширению температурного интервала существования избыточной проводимости. При этом величина εc(0) увеличивается более чем в два раза и смещается по температуре точка 2D-3D кроссовера. 2006 Article Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals / A.V. Bondarenko, R.V. Vovk, M.A. Obolensky, N.N. Chebotaev // Functional Materials. — 2006. — Т. 13, № 2. — С. 245-248. — Бібліогр.: 11 назв. — англ. 1027-5495 https://nasplib.isofts.kiev.ua/handle/123456789/140076 en Functional Materials application/pdf НТК «Інститут монокристалів» НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
Evolution of the excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals has been studied under stepwise oxygen removal by heat treatment. The concentration dependence of the
coherence length along С axis εc(0) on the oxygen content has been obtained. The oxygen content reduction from δ ≤ 0.1 to δ ≈ 0.23 has been shown to result in a substantial broadening of the temperature interval where the excess conductivity takes place. The εc(0) value increases more than twice and the 2D-3D crossover point is shifted in temperature. |
| format |
Article |
| author |
Bondarenko, A.V. Vovk, R.V. Obolensky, M.A. Chebotaev, N.N. |
| spellingShingle |
Bondarenko, A.V. Vovk, R.V. Obolensky, M.A. Chebotaev, N.N. Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals Functional Materials |
| author_facet |
Bondarenko, A.V. Vovk, R.V. Obolensky, M.A. Chebotaev, N.N. |
| author_sort |
Bondarenko, A.V. |
| title |
Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals |
| title_short |
Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals |
| title_full |
Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals |
| title_fullStr |
Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals |
| title_full_unstemmed |
Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals |
| title_sort |
effect of oxygen deficit on temperature dependence of excess conductivity in y₁ba₂cu₃o₇-δ single crystals |
| publisher |
НТК «Інститут монокристалів» НАН України |
| publishDate |
2006 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/140076 |
| citation_txt |
Effect of oxygen deficit on temperature dependence of excess conductivity in Y₁Ba₂Cu₃O₇-δ single crystals / A.V. Bondarenko, R.V. Vovk, M.A. Obolensky, N.N. Chebotaev // Functional Materials. — 2006. — Т. 13, № 2. — С. 245-248. — Бібліогр.: 11 назв. — англ. |
| series |
Functional Materials |
| work_keys_str_mv |
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| first_indexed |
2025-11-29T00:17:55Z |
| last_indexed |
2025-11-29T00:17:55Z |
| _version_ |
1850081789596401664 |
| fulltext |
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