Inhibition of volatilization and polycrystalline cracking, and the optical properties of β-Ga2O3 grown by the EFG method
Large-size β-Ga2O3 single crystals without sub-grain boundaries and cracks were grown by the optimized EFG technology. The thermal volatilization of Ga2O3, polycrystalline growth and cracking were systematically characterized and analyzed from phenomenological and crystallographic points. The propor...
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| Veröffentlicht in: | CrystEngComm 2020, Vol.22 (5), p.924-931 |
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| creator | Tang, Huili He, Nuotian Zhang, Hao Liu, Bo Zhu, Zhichao Xu, Mengxuan Chen, Liang Liu, Jinliang Ouyang, Xiaoping Xu, Jun |
| description | Large-size β-Ga2O3 single crystals without sub-grain boundaries and cracks were grown by the optimized EFG technology. The thermal volatilization of Ga2O3, polycrystalline growth and cracking were systematically characterized and analyzed from phenomenological and crystallographic points. The proportion of CO2 gas in the growth atmosphere and axial temperature gradient of the thermal field play important roles in suppressing the thermal decomposition and volatilization of a Ga2O3 melt. A higher seeding temperature could effectively inhibit polycrystalline growth. Furthermore, the effects of annealing in an oxygen environment on the optical properties of β-Ga2O3 crystals were discussed. |
| doi_str_mv | 10.1039/c9ce01294j |
| format | Article |
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The thermal volatilization of Ga2O3, polycrystalline growth and cracking were systematically characterized and analyzed from phenomenological and crystallographic points. The proportion of CO2 gas in the growth atmosphere and axial temperature gradient of the thermal field play important roles in suppressing the thermal decomposition and volatilization of a Ga2O3 melt. A higher seeding temperature could effectively inhibit polycrystalline growth. Furthermore, the effects of annealing in an oxygen environment on the optical properties of β-Ga2O3 crystals were discussed.</description><identifier>EISSN: 1466-8033</identifier><identifier>DOI: 10.1039/c9ce01294j</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Crack propagation ; Cracks ; Crystallography ; Crystals ; EFG (crystal growth) ; Gallium oxides ; Grain boundaries ; Optical properties ; Polycrystals ; Single crystals ; Temperature gradients ; Thermal decomposition</subject><ispartof>CrystEngComm, 2020, Vol.22 (5), p.924-931</ispartof><rights>Copyright Royal Society of Chemistry 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,4010,27904,27905,27906</link.rule.ids></links><search><creatorcontrib>Tang, Huili</creatorcontrib><creatorcontrib>He, Nuotian</creatorcontrib><creatorcontrib>Zhang, Hao</creatorcontrib><creatorcontrib>Liu, Bo</creatorcontrib><creatorcontrib>Zhu, Zhichao</creatorcontrib><creatorcontrib>Xu, Mengxuan</creatorcontrib><creatorcontrib>Chen, Liang</creatorcontrib><creatorcontrib>Liu, Jinliang</creatorcontrib><creatorcontrib>Ouyang, Xiaoping</creatorcontrib><creatorcontrib>Xu, Jun</creatorcontrib><title>Inhibition of volatilization and polycrystalline cracking, and the optical properties of β-Ga2O3 grown by the EFG method</title><title>CrystEngComm</title><description>Large-size β-Ga2O3 single crystals without sub-grain boundaries and cracks were grown by the optimized EFG technology. The thermal volatilization of Ga2O3, polycrystalline growth and cracking were systematically characterized and analyzed from phenomenological and crystallographic points. The proportion of CO2 gas in the growth atmosphere and axial temperature gradient of the thermal field play important roles in suppressing the thermal decomposition and volatilization of a Ga2O3 melt. A higher seeding temperature could effectively inhibit polycrystalline growth. Furthermore, the effects of annealing in an oxygen environment on the optical properties of β-Ga2O3 crystals were discussed.</description><subject>Crack propagation</subject><subject>Cracks</subject><subject>Crystallography</subject><subject>Crystals</subject><subject>EFG (crystal growth)</subject><subject>Gallium oxides</subject><subject>Grain boundaries</subject><subject>Optical properties</subject><subject>Polycrystals</subject><subject>Single crystals</subject><subject>Temperature gradients</subject><subject>Thermal decomposition</subject><issn>1466-8033</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNotTklOwzAUtZCQKIUNJ7DElsB3fsYlqjpJlbqBdWU7P62DsUPigsKxOAhnIhRWT3ozYzcC7gVg-aBLTSDiMmnO2EQkWRYVgHjBLvu-ARCJEDBhw9odjDLBeMd9zd-9lcFY8ylPjHQVb70ddDf0QVprHHHdSf1i3P7upIYDcd8Go6Xlbedb6oKh_rfq-ytayniLfN_5D8fVcPLOF0v-SuHgqyt2Xkvb0_U_TtnzYv40W0Wb7XI9e9xErSgwRLpGmQPEhGlVZkqDkFWGAiXphFSRawVVWoOqMS4Qy1SMKZFhruKMMEHCKbv96x3vvR2pD7vGHzs3Tu5iTAEgL3LEH0EwXas</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Tang, Huili</creator><creator>He, Nuotian</creator><creator>Zhang, Hao</creator><creator>Liu, Bo</creator><creator>Zhu, Zhichao</creator><creator>Xu, Mengxuan</creator><creator>Chen, Liang</creator><creator>Liu, Jinliang</creator><creator>Ouyang, Xiaoping</creator><creator>Xu, Jun</creator><general>Royal Society of Chemistry</general><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>2020</creationdate><title>Inhibition of volatilization and polycrystalline cracking, and the optical properties of β-Ga2O3 grown by the EFG method</title><author>Tang, Huili ; He, Nuotian ; Zhang, Hao ; Liu, Bo ; Zhu, Zhichao ; Xu, Mengxuan ; Chen, Liang ; Liu, Jinliang ; Ouyang, Xiaoping ; Xu, Jun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p183t-cf3a7002e35d96bc01ad6313aec4eb87cb0d5f0bf328339511831637b26e343e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Crack propagation</topic><topic>Cracks</topic><topic>Crystallography</topic><topic>Crystals</topic><topic>EFG (crystal growth)</topic><topic>Gallium oxides</topic><topic>Grain boundaries</topic><topic>Optical properties</topic><topic>Polycrystals</topic><topic>Single crystals</topic><topic>Temperature gradients</topic><topic>Thermal decomposition</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tang, Huili</creatorcontrib><creatorcontrib>He, Nuotian</creatorcontrib><creatorcontrib>Zhang, Hao</creatorcontrib><creatorcontrib>Liu, Bo</creatorcontrib><creatorcontrib>Zhu, Zhichao</creatorcontrib><creatorcontrib>Xu, Mengxuan</creatorcontrib><creatorcontrib>Chen, Liang</creatorcontrib><creatorcontrib>Liu, Jinliang</creatorcontrib><creatorcontrib>Ouyang, Xiaoping</creatorcontrib><creatorcontrib>Xu, Jun</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>CrystEngComm</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tang, Huili</au><au>He, Nuotian</au><au>Zhang, Hao</au><au>Liu, Bo</au><au>Zhu, Zhichao</au><au>Xu, Mengxuan</au><au>Chen, Liang</au><au>Liu, Jinliang</au><au>Ouyang, Xiaoping</au><au>Xu, Jun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inhibition of volatilization and polycrystalline cracking, and the optical properties of β-Ga2O3 grown by the EFG method</atitle><jtitle>CrystEngComm</jtitle><date>2020</date><risdate>2020</risdate><volume>22</volume><issue>5</issue><spage>924</spage><epage>931</epage><pages>924-931</pages><eissn>1466-8033</eissn><abstract>Large-size β-Ga2O3 single crystals without sub-grain boundaries and cracks were grown by the optimized EFG technology. The thermal volatilization of Ga2O3, polycrystalline growth and cracking were systematically characterized and analyzed from phenomenological and crystallographic points. The proportion of CO2 gas in the growth atmosphere and axial temperature gradient of the thermal field play important roles in suppressing the thermal decomposition and volatilization of a Ga2O3 melt. A higher seeding temperature could effectively inhibit polycrystalline growth. Furthermore, the effects of annealing in an oxygen environment on the optical properties of β-Ga2O3 crystals were discussed.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c9ce01294j</doi><tpages>8</tpages></addata></record> |
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| ispartof | CrystEngComm, 2020, Vol.22 (5), p.924-931 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Crack propagation Cracks Crystallography Crystals EFG (crystal growth) Gallium oxides Grain boundaries Optical properties Polycrystals Single crystals Temperature gradients Thermal decomposition |
| title | Inhibition of volatilization and polycrystalline cracking, and the optical properties of β-Ga2O3 grown by the EFG method |
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