Polarizabilities of donors in elemental semiconductors

Using the multivalley effective‐mass theory and the variational method the following expression is obtained for the polarizability α of donors in elemental semiconductors: α = 4a4/[(−a/K) + + (1/m*) + 2EDa2], where a is the effective Bohr radius for the donor, K the static dielectric constant of the...

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Veröffentlicht in:physica status solidi (b) 1977-11, Vol.84 (1), p.171-174
Hauptverfasser: Palaniyandi, E., Balasubramanian, S.
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description Using the multivalley effective‐mass theory and the variational method the following expression is obtained for the polarizability α of donors in elemental semiconductors: α = 4a4/[(−a/K) + + (1/m*) + 2EDa2], where a is the effective Bohr radius for the donor, K the static dielectric constant of the host semiconductor, m* the conduction electronic effective mass, and ED the donor ionization energy. The estimates of α for various donors in Si and Ge are discussed. Unter Benutzung der Vieltal‐Effektivmassentheorie und der Variationsmethode wird folgender Ausdruck für die Polarisierbarkeit α von Donatoren in Elementhalbleitern erhalten: α = 4a4/[(−a/K) + (1/m*) + 2EDa2], wobei a der effektive Bohrsche Radius für Donatoren, K die statische Dielektrizitätskonstante des Wirtshalbleiters, m* die effektive Masse der Leitungselektronen und ED die Ionisationsenergie der Donatoren ist. Die Berechnungen von α für verschiedene Donatoren in Si und Ge werden diskutiert.
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The estimates of α for various donors in Si and Ge are discussed. Unter Benutzung der Vieltal‐Effektivmassentheorie und der Variationsmethode wird folgender Ausdruck für die Polarisierbarkeit α von Donatoren in Elementhalbleitern erhalten: α = 4a4/[(−a/K) + (1/m*) + 2EDa2], wobei a der effektive Bohrsche Radius für Donatoren, K die statische Dielektrizitätskonstante des Wirtshalbleiters, m* die effektive Masse der Leitungselektronen und ED die Ionisationsenergie der Donatoren ist. Die Berechnungen von α für verschiedene Donatoren in Si und Ge werden diskutiert.</description><identifier>ISSN: 0370-1972</identifier><identifier>EISSN: 1521-3951</identifier><identifier>DOI: 10.1002/pssb.2220840119</identifier><language>eng</language><publisher>Berlin: WILEY-VCH Verlag</publisher><ispartof>physica status solidi (b), 1977-11, Vol.84 (1), p.171-174</ispartof><rights>Copyright © 1977 WILEY‐VCH Verlag GmbH &amp; Co. 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(b)</addtitle><description>Using the multivalley effective‐mass theory and the variational method the following expression is obtained for the polarizability α of donors in elemental semiconductors: α = 4a4/[(−a/K) + + (1/m*) + 2EDa2], where a is the effective Bohr radius for the donor, K the static dielectric constant of the host semiconductor, m* the conduction electronic effective mass, and ED the donor ionization energy. The estimates of α for various donors in Si and Ge are discussed. Unter Benutzung der Vieltal‐Effektivmassentheorie und der Variationsmethode wird folgender Ausdruck für die Polarisierbarkeit α von Donatoren in Elementhalbleitern erhalten: α = 4a4/[(−a/K) + (1/m*) + 2EDa2], wobei a der effektive Bohrsche Radius für Donatoren, K die statische Dielektrizitätskonstante des Wirtshalbleiters, m* die effektive Masse der Leitungselektronen und ED die Ionisationsenergie der Donatoren ist. 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(b)</addtitle><date>1977-11-01</date><risdate>1977</risdate><volume>84</volume><issue>1</issue><spage>171</spage><epage>174</epage><pages>171-174</pages><issn>0370-1972</issn><eissn>1521-3951</eissn><abstract>Using the multivalley effective‐mass theory and the variational method the following expression is obtained for the polarizability α of donors in elemental semiconductors: α = 4a4/[(−a/K) + + (1/m*) + 2EDa2], where a is the effective Bohr radius for the donor, K the static dielectric constant of the host semiconductor, m* the conduction electronic effective mass, and ED the donor ionization energy. The estimates of α for various donors in Si and Ge are discussed. Unter Benutzung der Vieltal‐Effektivmassentheorie und der Variationsmethode wird folgender Ausdruck für die Polarisierbarkeit α von Donatoren in Elementhalbleitern erhalten: α = 4a4/[(−a/K) + (1/m*) + 2EDa2], wobei a der effektive Bohrsche Radius für Donatoren, K die statische Dielektrizitätskonstante des Wirtshalbleiters, m* die effektive Masse der Leitungselektronen und ED die Ionisationsenergie der Donatoren ist. Die Berechnungen von α für verschiedene Donatoren in Si und Ge werden diskutiert.</abstract><cop>Berlin</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/pssb.2220840119</doi><tpages>4</tpages></addata></record>
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title Polarizabilities of donors in elemental semiconductors
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