Vertical Bridgman growth and optical properties of doped Bi12SiO20 crystals
The core‐free BSO crystals with high optical quality, doped with NiO, Sb2O3, V2O5, Nb2O5, Ta2O5, and P2O5, have been grown by the vertical Bridgman (VB) method for the first time. The “interface” segregation coefficients of the above‐mentioned dopants in BSO with values of 0.014, 0.162, 0.704, 0.039...
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| Veröffentlicht in: | Crystal research and technology (1979) 1994, Vol.29 (2), p.207-213 |
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| container_issue | 2 |
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| container_title | Crystal research and technology (1979) |
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| creator | Xuewu, Xu Jingying, Liao Bingfu, Shen Peifa, Shao Chongfan, He |
| description | The core‐free BSO crystals with high optical quality, doped with NiO, Sb2O3, V2O5, Nb2O5, Ta2O5, and P2O5, have been grown by the vertical Bridgman (VB) method for the first time. The “interface” segregation coefficients of the above‐mentioned dopants in BSO with values of 0.014, 0.162, 0.704, 0.039, 0.077, and 0.976, respectively, have been approximately evaluated according to the diffusive solute transport regime with the assumption of negligible natural convection in the melt. The transmission spectra of various doped BSO crystals have been measured in the range from 300 to 700 nm. A blue shift of the transmission edge in Ni‐, Sb‐, and P‐doped BSO and a red shift in Nb‐ and V‐doped BSO have been found as compared to undoped BSO. The modification in the absorption amplitude implies that the photorefractive performances of BSO crystals may be improved through doping. |
| doi_str_mv | 10.1002/crat.2170290208 |
| format | Article |
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The “interface” segregation coefficients of the above‐mentioned dopants in BSO with values of 0.014, 0.162, 0.704, 0.039, 0.077, and 0.976, respectively, have been approximately evaluated according to the diffusive solute transport regime with the assumption of negligible natural convection in the melt. The transmission spectra of various doped BSO crystals have been measured in the range from 300 to 700 nm. A blue shift of the transmission edge in Ni‐, Sb‐, and P‐doped BSO and a red shift in Nb‐ and V‐doped BSO have been found as compared to undoped BSO. The modification in the absorption amplitude implies that the photorefractive performances of BSO crystals may be improved through doping.</description><identifier>ISSN: 0232-1300</identifier><identifier>EISSN: 1521-4079</identifier><identifier>DOI: 10.1002/crat.2170290208</identifier><identifier>CODEN: CRTEDF</identifier><language>eng</language><publisher>Berlin: WILEY-VCH Verlag</publisher><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Growth from melts; zone melting and refining ; Materials science ; Methods of crystal growth; physics of crystal growth ; Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity) ; Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity ; Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation ; Optical properties of bulk materials and thin films ; Physics</subject><ispartof>Crystal research and technology (1979), 1994, Vol.29 (2), p.207-213</ispartof><rights>Copyright © 1994 WILEY‐VCH Verlag GmbH & Co. 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Res. Technol</addtitle><description>The core‐free BSO crystals with high optical quality, doped with NiO, Sb2O3, V2O5, Nb2O5, Ta2O5, and P2O5, have been grown by the vertical Bridgman (VB) method for the first time. The “interface” segregation coefficients of the above‐mentioned dopants in BSO with values of 0.014, 0.162, 0.704, 0.039, 0.077, and 0.976, respectively, have been approximately evaluated according to the diffusive solute transport regime with the assumption of negligible natural convection in the melt. The transmission spectra of various doped BSO crystals have been measured in the range from 300 to 700 nm. A blue shift of the transmission edge in Ni‐, Sb‐, and P‐doped BSO and a red shift in Nb‐ and V‐doped BSO have been found as compared to undoped BSO. 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Res. Technol</addtitle><date>1994</date><risdate>1994</risdate><volume>29</volume><issue>2</issue><spage>207</spage><epage>213</epage><pages>207-213</pages><issn>0232-1300</issn><eissn>1521-4079</eissn><coden>CRTEDF</coden><abstract>The core‐free BSO crystals with high optical quality, doped with NiO, Sb2O3, V2O5, Nb2O5, Ta2O5, and P2O5, have been grown by the vertical Bridgman (VB) method for the first time. The “interface” segregation coefficients of the above‐mentioned dopants in BSO with values of 0.014, 0.162, 0.704, 0.039, 0.077, and 0.976, respectively, have been approximately evaluated according to the diffusive solute transport regime with the assumption of negligible natural convection in the melt. The transmission spectra of various doped BSO crystals have been measured in the range from 300 to 700 nm. A blue shift of the transmission edge in Ni‐, Sb‐, and P‐doped BSO and a red shift in Nb‐ and V‐doped BSO have been found as compared to undoped BSO. The modification in the absorption amplitude implies that the photorefractive performances of BSO crystals may be improved through doping.</abstract><cop>Berlin</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/crat.2170290208</doi><tpages>7</tpages></addata></record> |
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| ispartof | Crystal research and technology (1979), 1994, Vol.29 (2), p.207-213 |
| issn | 0232-1300 1521-4079 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Growth from melts zone melting and refining Materials science Methods of crystal growth physics of crystal growth Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity) Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of bulk materials and thin films Physics |
| title | Vertical Bridgman growth and optical properties of doped Bi12SiO20 crystals |
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