Transmission Electron Miscroscopy Observation of the Decomposition of YBa2Cu4O8 into YBa2Cu3O7-δ and CuO
The decomposition of Yba2Cu4O8 (Y-124) into Yba2Cu3O7-δ (Y-123) and CuO at high temperatures has been expected to create Y-123 with finely dispersed CuO precipitates suitable for flux pinning. In fact, samples of thermally decomposed Y-124 exhibit a critical current density, Jc, which is enhanced wi...
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| Veröffentlicht in: | Journal of materials research 1997-04, Vol.12 (4), p.906-914 |
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| container_title | Journal of materials research |
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| creator | Reder, M. Krelaus, J. Müller, D. Heinemann, K. Freyhardt, H. C. |
| description | The decomposition of Yba2Cu4O8 (Y-124) into Yba2Cu3O7-δ (Y-123) and CuO at high temperatures has been expected to create Y-123 with finely dispersed CuO precipitates suitable for flux pinning. In fact, samples of thermally decomposed Y-124 exhibit a critical current density, Jc, which is enhanced with respect to the starting material as well as to pure Y-123. Transmission electron microscopy (TEM) studies of furnace annealed Y-124 were not suitable to clarify the reason for this Jc enhancement. Nevertheless, the formation and growth of CuO precipitates have been observed by in situ decomposition of the Y-124 starting material due to electron beam heating within the TEM. |
| doi_str_mv | 10.1557/JMR.1997.0130 |
| format | Article |
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Nevertheless, the formation and growth of CuO precipitates have been observed by in situ decomposition of the Y-124 starting material due to electron beam heating within the TEM.</description><identifier>ISSN: 0884-2914</identifier><identifier>EISSN: 2044-5326</identifier><identifier>DOI: 10.1557/JMR.1997.0130</identifier><language>eng</language><publisher>New York, USA: Cambridge University Press</publisher><ispartof>Journal of materials research, 1997-04, Vol.12 (4), p.906-914</ispartof><rights>Copyright © Materials Research Society 1997</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Reder, M.</creatorcontrib><creatorcontrib>Krelaus, J.</creatorcontrib><creatorcontrib>Müller, D.</creatorcontrib><creatorcontrib>Heinemann, K.</creatorcontrib><creatorcontrib>Freyhardt, H. C.</creatorcontrib><title>Transmission Electron Miscroscopy Observation of the Decomposition of YBa2Cu4O8 into YBa2Cu3O7-δ and CuO</title><title>Journal of materials research</title><addtitle>J. Mater. Res</addtitle><description>The decomposition of Yba2Cu4O8 (Y-124) into Yba2Cu3O7-δ (Y-123) and CuO at high temperatures has been expected to create Y-123 with finely dispersed CuO precipitates suitable for flux pinning. In fact, samples of thermally decomposed Y-124 exhibit a critical current density, Jc, which is enhanced with respect to the starting material as well as to pure Y-123. Transmission electron microscopy (TEM) studies of furnace annealed Y-124 were not suitable to clarify the reason for this Jc enhancement. 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C.</creator><general>Cambridge University Press</general><scope>BSCLL</scope></search><sort><creationdate>199704</creationdate><title>Transmission Electron Miscroscopy Observation of the Decomposition of YBa2Cu4O8 into YBa2Cu3O7-δ and CuO</title><author>Reder, M. ; Krelaus, J. ; Müller, D. ; Heinemann, K. ; Freyhardt, H. C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c146t-a019460146263646a2ddb47d8160e697023a9ca0485db40d50f221774c1a807d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reder, M.</creatorcontrib><creatorcontrib>Krelaus, J.</creatorcontrib><creatorcontrib>Müller, D.</creatorcontrib><creatorcontrib>Heinemann, K.</creatorcontrib><creatorcontrib>Freyhardt, H. C.</creatorcontrib><collection>Istex</collection><jtitle>Journal of materials research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reder, M.</au><au>Krelaus, J.</au><au>Müller, D.</au><au>Heinemann, K.</au><au>Freyhardt, H. C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transmission Electron Miscroscopy Observation of the Decomposition of YBa2Cu4O8 into YBa2Cu3O7-δ and CuO</atitle><jtitle>Journal of materials research</jtitle><addtitle>J. Mater. Res</addtitle><date>1997-04</date><risdate>1997</risdate><volume>12</volume><issue>4</issue><spage>906</spage><epage>914</epage><pages>906-914</pages><issn>0884-2914</issn><eissn>2044-5326</eissn><abstract>The decomposition of Yba2Cu4O8 (Y-124) into Yba2Cu3O7-δ (Y-123) and CuO at high temperatures has been expected to create Y-123 with finely dispersed CuO precipitates suitable for flux pinning. In fact, samples of thermally decomposed Y-124 exhibit a critical current density, Jc, which is enhanced with respect to the starting material as well as to pure Y-123. Transmission electron microscopy (TEM) studies of furnace annealed Y-124 were not suitable to clarify the reason for this Jc enhancement. Nevertheless, the formation and growth of CuO precipitates have been observed by in situ decomposition of the Y-124 starting material due to electron beam heating within the TEM.</abstract><cop>New York, USA</cop><pub>Cambridge University Press</pub><doi>10.1557/JMR.1997.0130</doi><tpages>9</tpages></addata></record> |
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| ispartof | Journal of materials research, 1997-04, Vol.12 (4), p.906-914 |
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| source | Springer Nature - Complete Springer Journals |
| title | Transmission Electron Miscroscopy Observation of the Decomposition of YBa2Cu4O8 into YBa2Cu3O7-δ and CuO |
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