Improved strong magnetic field performance of low angle grain boundaries of calcium and oxygen overdoped YBa2Cu3Ox
Critical currents and extended voltage–current characteristics of [001] tilt, low angle boundaries in thin film bicrystals of pure YBa2Cu3Ox and Y0.7Ca0.3Ba2Cu3Ox in strong magnetic fields (H
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| Veröffentlicht in: | Applied physics letters 2000-11, Vol.77 (20), p.3251-3253 |
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| container_end_page | 3253 |
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| container_issue | 20 |
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| container_title | Applied physics letters |
| container_volume | 77 |
| creator | Daniels, George A. Gurevich, Alex Larbalestier, David C. |
| description | Critical currents and extended voltage–current characteristics of [001] tilt, low angle boundaries in thin film bicrystals of pure YBa2Cu3Ox and Y0.7Ca0.3Ba2Cu3Ox in strong magnetic fields (H |
| doi_str_mv | 10.1063/1.1322053 |
| format | Article |
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For 5°[001] tilt boundaries, there are clear benefits to Ca additions, particularly when the sample is oxygen treated to further overdope the sample after growth. Ca-doping decreases excess grain boundary resistance and diminishes the gap between inter- and intragrain current density over a wide field and temperature range. 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For 5°[001] tilt boundaries, there are clear benefits to Ca additions, particularly when the sample is oxygen treated to further overdope the sample after growth. Ca-doping decreases excess grain boundary resistance and diminishes the gap between inter- and intragrain current density over a wide field and temperature range. In spite of the lower Tc of the 0.3 Ca-doped samples, Ca doping increases the intergrain critical current density at 44 K as high as 30% over 0–3 T and threefold at 5 T.</description><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNotkM1OwzAQhC0EEqVw4A185ZBie2PXOULFT6VKvcCBU7Rx7CgosSO7hfbtcUUvO1rN6JNmCLnnbMGZgke-4CAEk3BBZpwtlwVwri_JjDEGhaokvyY3KX3nVwqAGYnrcYrhx7Y07WLwHR2x83bXG-p6O7R0stGFOKI3lgZHh_BL0XeDpV3E3tMm7H2Lsbfp5BocTL8fc6Kl4XDsrKcZHdswZf7XM4rVHraHW3LlcEj27qxz8vn68rF6Lzbbt_XqaVMYEHpXlBYlNEILjY5r57RulEJVWsi3Wlrd5GZMCeRtLgoGK6FkY4Usm0pWJcKcPPxzTQwpRevqKfYjxmPNWX0aq-b1eSz4AwpgXJc</recordid><startdate>20001113</startdate><enddate>20001113</enddate><creator>Daniels, George A.</creator><creator>Gurevich, Alex</creator><creator>Larbalestier, David C.</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20001113</creationdate><title>Improved strong magnetic field performance of low angle grain boundaries of calcium and oxygen overdoped YBa2Cu3Ox</title><author>Daniels, George A. ; Gurevich, Alex ; Larbalestier, David C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-4ea53b2828af18ff88b66a64e36a697e8b118062a1d1073ca9265be254b9594a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Daniels, George A.</creatorcontrib><creatorcontrib>Gurevich, Alex</creatorcontrib><creatorcontrib>Larbalestier, David C.</creatorcontrib><collection>CrossRef</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Daniels, George A.</au><au>Gurevich, Alex</au><au>Larbalestier, David C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improved strong magnetic field performance of low angle grain boundaries of calcium and oxygen overdoped YBa2Cu3Ox</atitle><jtitle>Applied physics letters</jtitle><date>2000-11-13</date><risdate>2000</risdate><volume>77</volume><issue>20</issue><spage>3251</spage><epage>3253</epage><pages>3251-3253</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Critical currents and extended voltage–current characteristics of [001] tilt, low angle boundaries in thin film bicrystals of pure YBa2Cu3Ox and Y0.7Ca0.3Ba2Cu3Ox in strong magnetic fields (H<10 T) have been measured. For 5°[001] tilt boundaries, there are clear benefits to Ca additions, particularly when the sample is oxygen treated to further overdope the sample after growth. Ca-doping decreases excess grain boundary resistance and diminishes the gap between inter- and intragrain current density over a wide field and temperature range. In spite of the lower Tc of the 0.3 Ca-doped samples, Ca doping increases the intergrain critical current density at 44 K as high as 30% over 0–3 T and threefold at 5 T.</abstract><doi>10.1063/1.1322053</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2000-11, Vol.77 (20), p.3251-3253 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_1322053 |
| source | AIP Journals Complete; AIP Digital Archive |
| title | Improved strong magnetic field performance of low angle grain boundaries of calcium and oxygen overdoped YBa2Cu3Ox |
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