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- W2092146593 abstract "Values of the optical energy gap E0 of AgInTe2 as a function of temperature T in the range 10 to 300 K are obtained by optical absorption measurements. The variation of E0 with T is fitted well by a Manoogian-Leclerc equation of the form E0(0) − E0(T) = UT + Vφ (coth φ/2T − 1). Values of (dE0/dT)1, the electron–phonon interaction contribution to the variation of the energy gap with temperature, and (dE0/dT)2, the lattice dilation contribution, are obtained from the Vφ and U terms, respectively. From these values of (dE0/dT)1 and (dE0/dT)2, values are determined for the acoustic deformation potentials of the conduction band Ce and the valence band Ch. Mit Hilfe optischer Absorptionsmessungen wird die optische Energielücke E0 als Funktion der Temperatur T im Bereich von 10 bis 300 K ermittelt. Die Variation von E0 mit T wird gut durch eine Manoogian-Leclerc-Gleichung der Form E0(0) − E0(T) = UT + Vφ (coth φ/2T − 1) approximiert Die Beiträge der Elektron–Phonon-Wechselwirkung, (dE0/dT)2, und der Gitterdilatation, (dE0/dT)1, und werden aus den Vφ- bzw. U-Termen bestimmt. Aus diesen Werten von (dE0/dT)1 und (dE0/dT)2 werden die akustischen Deformationspotentiale des Leitungsbandes, Ce, und des Valenzbandes, Ch, erhalten." @default.
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- W2092146593 date "1990-12-01" @default.
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- W2092146593 title "Temperature Variation of Optical Energy Gap and Deformation Potentials in AgInTe2" @default.
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- W2092146593 doi "https://doi.org/10.1002/pssb.2221620223" @default.
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