High pressure study of ZnSe:Cr2+ crystals: the origin of the 1.25 eV luminescence

High pressure studies of Cr2+ luminescence in ZnSe crystals were performed at low temperatures. In addition to the mid-infrared luminescence transitions from the first excited 5E level, higher energy luminescence was also observed. These two luminescence bands exhibit similar pressure coefficients b...

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Veröffentlicht in:	Journal of physics. Condensed matter 2007-03, Vol.19 (9), p.096213-096213 (8)
Hauptverfasser:	Trushkin, S, Biernacki, S W, Khoi, Le Van, Suchocki, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Ii-vi semiconductors Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Photoluminescence Physics
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container_title	Journal of physics. Condensed matter
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creator	Trushkin, S Biernacki, S W Khoi, Le Van Suchocki, A
description	High pressure studies of Cr2+ luminescence in ZnSe crystals were performed at low temperatures. In addition to the mid-infrared luminescence transitions from the first excited 5E level, higher energy luminescence was also observed. These two luminescence bands exhibit similar pressure coefficients but of opposite signs, which identify the origin of the higher energy band as the transitions from the second excited 3T1 level. At higher pressures, increased covalence effects are observed, which result in the appearance of an additional peak in the luminescence due to changes in the spin-orbit coupling strength.
doi_str_mv	10.1088/0953-8984/19/9/096213
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In addition to the mid-infrared luminescence transitions from the first excited 5E level, higher energy luminescence was also observed. These two luminescence bands exhibit similar pressure coefficients but of opposite signs, which identify the origin of the higher energy band as the transitions from the second excited 3T1 level. 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Condensed matter</title><description>High pressure studies of Cr2+ luminescence in ZnSe crystals were performed at low temperatures. In addition to the mid-infrared luminescence transitions from the first excited 5E level, higher energy luminescence was also observed. These two luminescence bands exhibit similar pressure coefficients but of opposite signs, which identify the origin of the higher energy band as the transitions from the second excited 3T1 level. At higher pressures, increased covalence effects are observed, which result in the appearance of an additional peak in the luminescence due to changes in the spin-orbit coupling strength.</description><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Exact sciences and technology</subject><subject>Ii-vi semiconductors</subject><subject>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</subject><subject>Photoluminescence</subject><subject>Physics</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNptkE1LAzEURYMoWKs_QchGNzptPidJd1LUCoKIH4ibEDNJG5nOjMnMov_eGVp0oavH5Z37eBwATjGaYCTlFClOM6kkm2I1VX3MCaZ7YIRpjrOcybd9MPphDsFRSp8IISYpG4HHRViuYBNdSl10MLVdsYG1h-_Vk5vNI7mANm5Sa8o0g-3KwTqGZagGYkh4Qjh0r7Ds1qFyybrKumNw4HvcnezmGLzcXD_PF9n9w-3d_Oo-C4SwNiuoV8oX2BOGBaXIOMSIcsoQJ6kUwrjcWo75B6fGF1QWXjglkCW8YN4KTMfgfHu3ifVX51Kr16H_oCxN5eouaaKIFIzLHjzbgSZZU_poKhuSbmJYm7jRWHJBqGQ9h7ZcqJvfLdKDYz3404M_jZVWeuu4r1z-rfyL6qbw9BvOdHsB</recordid><startdate>20070307</startdate><enddate>20070307</enddate><creator>Trushkin, S</creator><creator>Biernacki, S W</creator><creator>Khoi, Le Van</creator><creator>Suchocki, A</creator><general>IOP Publishing</general><general>Institute of Physics</general><scope>IQODW</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20070307</creationdate><title>High pressure study of ZnSe:Cr2+ crystals: the origin of the 1.25 eV luminescence</title><author>Trushkin, S ; Biernacki, S W ; Khoi, Le Van ; Suchocki, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i224t-d3f99fd1f2417330ae0429e9a2e83877ae6cc515b53afd38df7e970c25d4fc713</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Exact sciences and technology</topic><topic>Ii-vi semiconductors</topic><topic>Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation</topic><topic>Photoluminescence</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Trushkin, S</creatorcontrib><creatorcontrib>Biernacki, S W</creatorcontrib><creatorcontrib>Khoi, Le Van</creatorcontrib><creatorcontrib>Suchocki, A</creatorcontrib><collection>Pascal-Francis</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of physics. 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These two luminescence bands exhibit similar pressure coefficients but of opposite signs, which identify the origin of the higher energy band as the transitions from the second excited 3T1 level. At higher pressures, increased covalence effects are observed, which result in the appearance of an additional peak in the luminescence due to changes in the spin-orbit coupling strength.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/0953-8984/19/9/096213</doi></addata></record>
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subjects	Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Ii-vi semiconductors Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Photoluminescence Physics
title	High pressure study of ZnSe:Cr2+ crystals: the origin of the 1.25 eV luminescence
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