Structural Study on High-T c Superconductor Bi 2-x (Ca, Sr) 3 Cu 2+x O 9-y
The crystal structure of the high- T c Bi 2- x (Ca, Sr) 3 Cu 2+ x O 9- y with x =0.2 and y =0.78 was studied by means of neutron and X-ray powder diffraction. Since the unit cell parameters were relatively large for powder diffraction analysis, an averaged structure was refined, assuming an orthorho...
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| Veröffentlicht in: | Japanese Journal of Applied Physics 1988-04, Vol.27 (4A), p.L587 |
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| container_issue | 4A |
| container_start_page | L587 |
| container_title | Japanese Journal of Applied Physics |
| container_volume | 27 |
| creator | Kajitani, Tsuyoshi Kusaba, Keiji Kikuchi, Masae Kobayashi, Norio Syono, Yasuhiko Williams, Timothy B. Hirabayashi, Makoto |
| description | The crystal structure of the high-
T
c
Bi
2-
x
(Ca, Sr)
3
Cu
2+
x
O
9-
y
with
x
=0.2 and
y
=0.78 was studied by means of neutron and X-ray powder diffraction. Since the unit cell parameters were relatively large for powder diffraction analysis, an averaged structure was refined, assuming an orthorhombic sub-cell (
a
=5.39 Å,
b
=5.39 Å and
c
=30.37 Å) which corresponds to 1/5 of the unit cell: This is a derivative of Bi
4
Ti
3
O
12
. The double perovskite unit interleaved by the double bismuth layers is B-type, i.e. a CuO
6
octahedron is surrounded by eight alkaline earth metal ions. The pyramidal CuO
5
configuration is found in this oxide. The copper valency is estimated at about 2.3 on the basis of the determined chemical composition. |
| doi_str_mv | 10.1143/JJAP.27.L587 |
| format | Article |
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T
c
Bi
2-
x
(Ca, Sr)
3
Cu
2+
x
O
9-
y
with
x
=0.2 and
y
=0.78 was studied by means of neutron and X-ray powder diffraction. Since the unit cell parameters were relatively large for powder diffraction analysis, an averaged structure was refined, assuming an orthorhombic sub-cell (
a
=5.39 Å,
b
=5.39 Å and
c
=30.37 Å) which corresponds to 1/5 of the unit cell: This is a derivative of Bi
4
Ti
3
O
12
. The double perovskite unit interleaved by the double bismuth layers is B-type, i.e. a CuO
6
octahedron is surrounded by eight alkaline earth metal ions. The pyramidal CuO
5
configuration is found in this oxide. The copper valency is estimated at about 2.3 on the basis of the determined chemical composition.</description><identifier>ISSN: 0021-4922</identifier><identifier>EISSN: 1347-4065</identifier><identifier>DOI: 10.1143/JJAP.27.L587</identifier><language>eng</language><ispartof>Japanese Journal of Applied Physics, 1988-04, Vol.27 (4A), p.L587</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c807-68d2b9dc3adb4dc9ce262224cc4dc5cde3910bcc09220b276b28fa59ef44a67e3</citedby><cites>FETCH-LOGICAL-c807-68d2b9dc3adb4dc9ce262224cc4dc5cde3910bcc09220b276b28fa59ef44a67e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Kajitani, Tsuyoshi</creatorcontrib><creatorcontrib>Kusaba, Keiji</creatorcontrib><creatorcontrib>Kikuchi, Masae</creatorcontrib><creatorcontrib>Kobayashi, Norio</creatorcontrib><creatorcontrib>Syono, Yasuhiko</creatorcontrib><creatorcontrib>Williams, Timothy B.</creatorcontrib><creatorcontrib>Hirabayashi, Makoto</creatorcontrib><title>Structural Study on High-T c Superconductor Bi 2-x (Ca, Sr) 3 Cu 2+x O 9-y</title><title>Japanese Journal of Applied Physics</title><description>The crystal structure of the high-
T
c
Bi
2-
x
(Ca, Sr)
3
Cu
2+
x
O
9-
y
with
x
=0.2 and
y
=0.78 was studied by means of neutron and X-ray powder diffraction. Since the unit cell parameters were relatively large for powder diffraction analysis, an averaged structure was refined, assuming an orthorhombic sub-cell (
a
=5.39 Å,
b
=5.39 Å and
c
=30.37 Å) which corresponds to 1/5 of the unit cell: This is a derivative of Bi
4
Ti
3
O
12
. The double perovskite unit interleaved by the double bismuth layers is B-type, i.e. a CuO
6
octahedron is surrounded by eight alkaline earth metal ions. The pyramidal CuO
5
configuration is found in this oxide. The copper valency is estimated at about 2.3 on the basis of the determined chemical composition.</description><issn>0021-4922</issn><issn>1347-4065</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1988</creationdate><recordtype>article</recordtype><recordid>eNotkFFLwzAUhYMoOKdv_oD7qLjU5CZt2sdZ1DkGE9r3kt6kOpnrSFdY__069OnwweFw-Bi7lyKSUqvn5XL-GaGJVnFqLthEKm24Fkl8ySZCoOQ6Q7xmN133M2ISazlhy-IQejr0wW6hOPRugHYHi83XNy-BoOj3PlC7c2OlDfCyAeRHeMjtDIrwCAryHvDpCGvI-HDLrhq77fzdf05Z-fZa5gu-Wr9_5PMVp1QYnqQO68yRsq7WjjLymCCiJhopJudVJkVNJMavokaT1Jg2Ns58o7VNjFdTNvubpdB2XfBNtQ-bXxuGSorqrKE6a6jQVGcN6gTZ0E0r</recordid><startdate>19880401</startdate><enddate>19880401</enddate><creator>Kajitani, Tsuyoshi</creator><creator>Kusaba, Keiji</creator><creator>Kikuchi, Masae</creator><creator>Kobayashi, Norio</creator><creator>Syono, Yasuhiko</creator><creator>Williams, Timothy B.</creator><creator>Hirabayashi, Makoto</creator><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19880401</creationdate><title>Structural Study on High-T c Superconductor Bi 2-x (Ca, Sr) 3 Cu 2+x O 9-y</title><author>Kajitani, Tsuyoshi ; Kusaba, Keiji ; Kikuchi, Masae ; Kobayashi, Norio ; Syono, Yasuhiko ; Williams, Timothy B. ; Hirabayashi, Makoto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c807-68d2b9dc3adb4dc9ce262224cc4dc5cde3910bcc09220b276b28fa59ef44a67e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1988</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kajitani, Tsuyoshi</creatorcontrib><creatorcontrib>Kusaba, Keiji</creatorcontrib><creatorcontrib>Kikuchi, Masae</creatorcontrib><creatorcontrib>Kobayashi, Norio</creatorcontrib><creatorcontrib>Syono, Yasuhiko</creatorcontrib><creatorcontrib>Williams, Timothy B.</creatorcontrib><creatorcontrib>Hirabayashi, Makoto</creatorcontrib><collection>CrossRef</collection><jtitle>Japanese Journal of Applied Physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kajitani, Tsuyoshi</au><au>Kusaba, Keiji</au><au>Kikuchi, Masae</au><au>Kobayashi, Norio</au><au>Syono, Yasuhiko</au><au>Williams, Timothy B.</au><au>Hirabayashi, Makoto</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural Study on High-T c Superconductor Bi 2-x (Ca, Sr) 3 Cu 2+x O 9-y</atitle><jtitle>Japanese Journal of Applied Physics</jtitle><date>1988-04-01</date><risdate>1988</risdate><volume>27</volume><issue>4A</issue><spage>L587</spage><pages>L587-</pages><issn>0021-4922</issn><eissn>1347-4065</eissn><abstract>The crystal structure of the high-
T
c
Bi
2-
x
(Ca, Sr)
3
Cu
2+
x
O
9-
y
with
x
=0.2 and
y
=0.78 was studied by means of neutron and X-ray powder diffraction. Since the unit cell parameters were relatively large for powder diffraction analysis, an averaged structure was refined, assuming an orthorhombic sub-cell (
a
=5.39 Å,
b
=5.39 Å and
c
=30.37 Å) which corresponds to 1/5 of the unit cell: This is a derivative of Bi
4
Ti
3
O
12
. The double perovskite unit interleaved by the double bismuth layers is B-type, i.e. a CuO
6
octahedron is surrounded by eight alkaline earth metal ions. The pyramidal CuO
5
configuration is found in this oxide. The copper valency is estimated at about 2.3 on the basis of the determined chemical composition.</abstract><doi>10.1143/JJAP.27.L587</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-4922 |
| ispartof | Japanese Journal of Applied Physics, 1988-04, Vol.27 (4A), p.L587 |
| issn | 0021-4922 1347-4065 |
| language | eng |
| recordid | cdi_crossref_primary_10_1143_JJAP_27_L587 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| title | Structural Study on High-T c Superconductor Bi 2-x (Ca, Sr) 3 Cu 2+x O 9-y |
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