Cathodoluminescence and Crystal Growth of Sapphire
Even though the luminescence process in sapphire has been widely investigated, the relation between the presence of specific impurities such as titanium and iron, and the way the crystal grows up, is enlightened here thanks to the cathodoluminescence (CL) approach. The role of each impurity, taking...
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| Veröffentlicht in: | Physica status solidi. A, Applications and materials science Applications and materials science, 1999-02, Vol.171 (2), p.613-621 |
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| container_title | Physica status solidi. A, Applications and materials science |
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| creator | Chapoulie, R. Capdupuy, C. Schvoerer, M. Bechtel, F. |
| description | Even though the luminescence process in sapphire has been widely investigated, the relation between the presence of specific impurities such as titanium and iron, and the way the crystal grows up, is enlightened here thanks to the cathodoluminescence (CL) approach. The role of each impurity, taking into account its different valence states and the correlation between all the possible ions, i.e. Ti4+, Ti4+, Fe3+, and Fe2+ is tentatively explained: Ti4+ will act as a blue emitting centre, Ti3+ as a red one in a complex luminescence process, while Fe2+ will act as a quenching centre. Thus, the crystal growth process, Verneuil process, can be totally described as for the distribution of the impurities needed to generate the sapphires. Particularly, growth bands find an explanation regarding these distributions of iron and titanium in their different valence states. |
| doi_str_mv | 10.1002/(SICI)1521-396X(199902)171:2<613::AID-PSSA613>3.0.CO;2-# |
| format | Article |
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The role of each impurity, taking into account its different valence states and the correlation between all the possible ions, i.e. Ti4+, Ti4+, Fe3+, and Fe2+ is tentatively explained: Ti4+ will act as a blue emitting centre, Ti3+ as a red one in a complex luminescence process, while Fe2+ will act as a quenching centre. Thus, the crystal growth process, Verneuil process, can be totally described as for the distribution of the impurities needed to generate the sapphires. 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A, Applications and materials science</title><addtitle>phys. stat. sol. (a)</addtitle><description>Even though the luminescence process in sapphire has been widely investigated, the relation between the presence of specific impurities such as titanium and iron, and the way the crystal grows up, is enlightened here thanks to the cathodoluminescence (CL) approach. The role of each impurity, taking into account its different valence states and the correlation between all the possible ions, i.e. Ti4+, Ti4+, Fe3+, and Fe2+ is tentatively explained: Ti4+ will act as a blue emitting centre, Ti3+ as a red one in a complex luminescence process, while Fe2+ will act as a quenching centre. Thus, the crystal growth process, Verneuil process, can be totally described as for the distribution of the impurities needed to generate the sapphires. Particularly, growth bands find an explanation regarding these distributions of iron and titanium in their different valence states.</description><subject>Analytical chemistry</subject><subject>Archaeology and Prehistory</subject><subject>Cathodoluminescence, ionoluminescence</subject><subject>Chemical Sciences</subject><subject>Condensed Matter</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Cultural heritage and museology</subject><subject>Exact sciences and technology</subject><subject>Humanities and Social Sciences</subject><subject>Methods and statistics</subject><subject>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</subject><subject>Other luminescence and radiative recombination</subject><subject>Physics</subject><issn>0031-8965</issn><issn>1862-6300</issn><issn>1521-396X</issn><issn>1862-6319</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkNFu0zAUhi3EJMrGO0SCi_Ui5diOHacgRBWgq1ZRUAqDqyPPdtRA1lR2YfTtcZTRXYDEleWj_3z_0UfIawoTCsCen1eLcjGmgtGUF_LLOS2KAtiY5nTKXkrKp9PZ4k36oapm8fOKT2BSrl6w9OkDMjouPSQjAE5TVUjxiDwO4RsAZJDDiLBS7zed7dofN83WBeO2xiV6a5PSH8Jet8ncd7f7TdLVSaV3u03j3Rk5qXUb3JO795R8evd2XV6ky9V8Uc6Wqcmo4KmytdXU2rpgANe5qV0hlBLXQrvaAJVSa-CZNJA5zq1T1JqMx2slU0yBzfgpGQ_cjW5x55sb7Q_Y6QYvZkvsZ8CEAFD5Txqzn4es8V0I3tXHBQrYe0TsPWKvBHslOHjE6BEZRnWI0SPeeUSOgOUKWQQ_G8A7HYxua6-3pgn3dKlyJSDGvg6x26Z1h7_K_9f9r-o_g8hOB3YT9u7Xka39d5Q5zwVevZ9jxS_X1frqIyr-G9ZkoKU</recordid><startdate>199902</startdate><enddate>199902</enddate><creator>Chapoulie, R.</creator><creator>Capdupuy, C.</creator><creator>Schvoerer, M.</creator><creator>Bechtel, F.</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley-VCH</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>BXJBU</scope><orcidid>https://orcid.org/0000-0001-9959-7940</orcidid></search><sort><creationdate>199902</creationdate><title>Cathodoluminescence and Crystal Growth of Sapphire</title><author>Chapoulie, R. ; Capdupuy, C. ; Schvoerer, M. ; Bechtel, F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4153-8dfda1ddf9200b7cfe95885b5aefc0166aa0346c04e33de81dc43396628280d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Analytical chemistry</topic><topic>Archaeology and Prehistory</topic><topic>Cathodoluminescence, ionoluminescence</topic><topic>Chemical Sciences</topic><topic>Condensed Matter</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Cultural heritage and museology</topic><topic>Exact sciences and technology</topic><topic>Humanities and Social Sciences</topic><topic>Methods and statistics</topic><topic>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</topic><topic>Other luminescence and radiative recombination</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chapoulie, R.</creatorcontrib><creatorcontrib>Capdupuy, C.</creatorcontrib><creatorcontrib>Schvoerer, M.</creatorcontrib><creatorcontrib>Bechtel, F.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>HAL-SHS: Archive ouverte en Sciences de l'Homme et de la Société</collection><jtitle>Physica status solidi. A, Applications and materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chapoulie, R.</au><au>Capdupuy, C.</au><au>Schvoerer, M.</au><au>Bechtel, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cathodoluminescence and Crystal Growth of Sapphire</atitle><jtitle>Physica status solidi. A, Applications and materials science</jtitle><addtitle>phys. stat. sol. (a)</addtitle><date>1999-02</date><risdate>1999</risdate><volume>171</volume><issue>2</issue><spage>613</spage><epage>621</epage><pages>613-621</pages><issn>0031-8965</issn><issn>1862-6300</issn><eissn>1521-396X</eissn><eissn>1862-6319</eissn><coden>PSSABA</coden><abstract>Even though the luminescence process in sapphire has been widely investigated, the relation between the presence of specific impurities such as titanium and iron, and the way the crystal grows up, is enlightened here thanks to the cathodoluminescence (CL) approach. The role of each impurity, taking into account its different valence states and the correlation between all the possible ions, i.e. Ti4+, Ti4+, Fe3+, and Fe2+ is tentatively explained: Ti4+ will act as a blue emitting centre, Ti3+ as a red one in a complex luminescence process, while Fe2+ will act as a quenching centre. 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Analytical chemistry Archaeology and Prehistory Cathodoluminescence, ionoluminescence Chemical Sciences Condensed Matter Condensed matter: electronic structure, electrical, magnetic, and optical properties Cultural heritage and museology Exact sciences and technology Humanities and Social Sciences Methods and statistics Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Other luminescence and radiative recombination Physics |
| title | Cathodoluminescence and Crystal Growth of Sapphire |
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