Interlocked grain growth of YBCO film on magnesium oxide as observed by scanning tunneling microscopy
Thin films of YBa 2Cu 3O 7 on MgO deposited by RF magnetron sputtering to study their superconducting behavior, were examined by a Scanning Tunneling Microscope. The films were deposited at room temperature, sintered exsitu at 850°C, 900°C, 930°C,950°C and 980°C for 30 minutes each and cooled at rat...
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| Veröffentlicht in: | Materials research bulletin 1993-03, Vol.28 (3), p.271-277 |
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| creator | Rao, M.V.H Mishra, S.K Pathak, L.C Mathur, B.K Bhattacharya, D Chopra, K.L |
| description | Thin films of YBa
2Cu
3O
7 on MgO deposited by RF magnetron sputtering to study their superconducting behavior, were examined by a Scanning Tunneling Microscope. The films were deposited at room temperature, sintered exsitu at 850°C, 900°C, 930°C,950°C and 980°C for 30 minutes each and cooled at rate of 100°C per hour in oxygen ambient. Topographic images taken in air show that the films which were initially amorphous in nature, gradually transform to a layered grain structure with the increase of sintering temperature. Films sintered at temperatures above 900°C are c-axis oriented and have a coarse grain structure. These grains are connected mutually by a well defined interlock, formed between the layers of neighboring grains. The mechanism of interlocking of layers from adjacent grains and its possible influence on the superconducting properties has been discussed. |
| doi_str_mv | 10.1016/0025-5408(93)90161-6 |
| format | Article |
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2Cu
3O
7 on MgO deposited by RF magnetron sputtering to study their superconducting behavior, were examined by a Scanning Tunneling Microscope. The films were deposited at room temperature, sintered exsitu at 850°C, 900°C, 930°C,950°C and 980°C for 30 minutes each and cooled at rate of 100°C per hour in oxygen ambient. Topographic images taken in air show that the films which were initially amorphous in nature, gradually transform to a layered grain structure with the increase of sintering temperature. Films sintered at temperatures above 900°C are c-axis oriented and have a coarse grain structure. These grains are connected mutually by a well defined interlock, formed between the layers of neighboring grains. The mechanism of interlocking of layers from adjacent grains and its possible influence on the superconducting properties has been discussed.</description><subject>360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies</subject><subject>360207 - Ceramics, Cermets, & Refractories- Superconducting Properties- (1992-)</subject><subject>ALKALINE EARTH METAL COMPOUNDS</subject><subject>BARIUM COMPOUNDS</subject><subject>BARIUM OXIDES</subject><subject>CHALCOGENIDES</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>COPPER COMPOUNDS</subject><subject>COPPER OXIDES</subject><subject>CRYSTAL STRUCTURE</subject><subject>ELECTRIC CONDUCTIVITY</subject><subject>ELECTRICAL PROPERTIES</subject><subject>Exact sciences and technology</subject><subject>GRAIN GROWTH</subject><subject>HIGH-TC SUPERCONDUCTORS</subject><subject>MATERIALS SCIENCE</subject><subject>MICROSCOPY</subject><subject>MICROSTRUCTURE</subject><subject>OXIDES</subject><subject>OXYGEN COMPOUNDS</subject><subject>PHYSICAL PROPERTIES</subject><subject>Physics</subject><subject>Solid surfaces and solid-solid interfaces</subject><subject>SPUTTERING</subject><subject>SUPERCONDUCTING FILMS</subject><subject>SUPERCONDUCTIVITY</subject><subject>SUPERCONDUCTORS</subject><subject>Surface and interface dynamics and vibrations</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><subject>Thin film structure and morphology</subject><subject>TRANSITION ELEMENT COMPOUNDS</subject><subject>YTTRIUM COMPOUNDS</subject><subject>YTTRIUM OXIDES</subject><issn>0025-5408</issn><issn>1873-4227</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNqNkU2PFCEQhonRxHH1H3ggxhg9tEJD083FZJ34sckme9GDJ0IX1bNoN4zQszr_XtjZ7NF4AYo8VfXWW4Q85-wtZ1y9Y6ztmk6y4bUWb3T54Y16QDZ86EUj27Z_SDb3yGPyJOcfjDE59P2G4EVYMc0RfqKju2R9KGf8vV7TONHvH7ZXdPLzQmOgi90FzP5Qgj_eIbWZxjFjuimJ45FmsCH4sKPrIQSc62vxkGKGuD8-JY8mO2d8dnefkW-fPn7dfmkurz5fbM8vGygy14YPQk6DBYngeu24HFvF26mbJGArO9DgoO-lHkYlNG9HJ7S1cgTUWjrFlDgjL051Y169yeBXhGuIRRCspuRoqSr06gTtU_x1wLyaxWfAebYB4yGb0rNjUvb_A0qpRFdAeQLrvDnhZPbJLzYdDWembshU-02132hhbjdkqpCXd_VtcW-ekg3g832uVFroW73vTxgW5248pjoYBkDnU53LRf_vPn8Bo8mkkA</recordid><startdate>19930301</startdate><enddate>19930301</enddate><creator>Rao, M.V.H</creator><creator>Mishra, S.K</creator><creator>Pathak, L.C</creator><creator>Mathur, B.K</creator><creator>Bhattacharya, D</creator><creator>Chopra, K.L</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7QQ</scope><scope>OTOTI</scope></search><sort><creationdate>19930301</creationdate><title>Interlocked grain growth of YBCO film on magnesium oxide as observed by scanning tunneling microscopy</title><author>Rao, M.V.H ; Mishra, S.K ; Pathak, L.C ; Mathur, B.K ; Bhattacharya, D ; Chopra, K.L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c422t-1834f8ac4ecd79d14b2612f5f4ce245c9cdc77498b63912bd39aa4bce994d6063</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies</topic><topic>360207 - Ceramics, Cermets, & Refractories- Superconducting Properties- (1992-)</topic><topic>ALKALINE EARTH METAL COMPOUNDS</topic><topic>BARIUM COMPOUNDS</topic><topic>BARIUM OXIDES</topic><topic>CHALCOGENIDES</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>COPPER COMPOUNDS</topic><topic>COPPER OXIDES</topic><topic>CRYSTAL STRUCTURE</topic><topic>ELECTRIC CONDUCTIVITY</topic><topic>ELECTRICAL PROPERTIES</topic><topic>Exact sciences and technology</topic><topic>GRAIN GROWTH</topic><topic>HIGH-TC SUPERCONDUCTORS</topic><topic>MATERIALS SCIENCE</topic><topic>MICROSCOPY</topic><topic>MICROSTRUCTURE</topic><topic>OXIDES</topic><topic>OXYGEN COMPOUNDS</topic><topic>PHYSICAL PROPERTIES</topic><topic>Physics</topic><topic>Solid surfaces and solid-solid interfaces</topic><topic>SPUTTERING</topic><topic>SUPERCONDUCTING FILMS</topic><topic>SUPERCONDUCTIVITY</topic><topic>SUPERCONDUCTORS</topic><topic>Surface and interface dynamics and vibrations</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><topic>Thin film structure and morphology</topic><topic>TRANSITION ELEMENT COMPOUNDS</topic><topic>YTTRIUM COMPOUNDS</topic><topic>YTTRIUM OXIDES</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rao, M.V.H</creatorcontrib><creatorcontrib>Mishra, S.K</creatorcontrib><creatorcontrib>Pathak, L.C</creatorcontrib><creatorcontrib>Mathur, B.K</creatorcontrib><creatorcontrib>Bhattacharya, D</creatorcontrib><creatorcontrib>Chopra, K.L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Ceramic Abstracts</collection><collection>OSTI.GOV</collection><jtitle>Materials research bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rao, M.V.H</au><au>Mishra, S.K</au><au>Pathak, L.C</au><au>Mathur, B.K</au><au>Bhattacharya, D</au><au>Chopra, K.L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interlocked grain growth of YBCO film on magnesium oxide as observed by scanning tunneling microscopy</atitle><jtitle>Materials research bulletin</jtitle><date>1993-03-01</date><risdate>1993</risdate><volume>28</volume><issue>3</issue><spage>271</spage><epage>277</epage><pages>271-277</pages><issn>0025-5408</issn><eissn>1873-4227</eissn><coden>MRBUAC</coden><abstract>Thin films of YBa
2Cu
3O
7 on MgO deposited by RF magnetron sputtering to study their superconducting behavior, were examined by a Scanning Tunneling Microscope. The films were deposited at room temperature, sintered exsitu at 850°C, 900°C, 930°C,950°C and 980°C for 30 minutes each and cooled at rate of 100°C per hour in oxygen ambient. Topographic images taken in air show that the films which were initially amorphous in nature, gradually transform to a layered grain structure with the increase of sintering temperature. Films sintered at temperatures above 900°C are c-axis oriented and have a coarse grain structure. These grains are connected mutually by a well defined interlock, formed between the layers of neighboring grains. The mechanism of interlocking of layers from adjacent grains and its possible influence on the superconducting properties has been discussed.</abstract><cop>London</cop><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/0025-5408(93)90161-6</doi><tpages>7</tpages></addata></record> |
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| ispartof | Materials research bulletin, 1993-03, Vol.28 (3), p.271-277 |
| issn | 0025-5408 1873-4227 |
| language | eng |
| recordid | cdi_osti_scitechconnect_6399466 |
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| subjects | 360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies 360207 - Ceramics, Cermets, & Refractories- Superconducting Properties- (1992-) ALKALINE EARTH METAL COMPOUNDS BARIUM COMPOUNDS BARIUM OXIDES CHALCOGENIDES Condensed matter: structure, mechanical and thermal properties COPPER COMPOUNDS COPPER OXIDES CRYSTAL STRUCTURE ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES Exact sciences and technology GRAIN GROWTH HIGH-TC SUPERCONDUCTORS MATERIALS SCIENCE MICROSCOPY MICROSTRUCTURE OXIDES OXYGEN COMPOUNDS PHYSICAL PROPERTIES Physics Solid surfaces and solid-solid interfaces SPUTTERING SUPERCONDUCTING FILMS SUPERCONDUCTIVITY SUPERCONDUCTORS Surface and interface dynamics and vibrations Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Thin film structure and morphology TRANSITION ELEMENT COMPOUNDS YTTRIUM COMPOUNDS YTTRIUM OXIDES |
| title | Interlocked grain growth of YBCO film on magnesium oxide as observed by scanning tunneling microscopy |
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