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- W2059093612 abstract "Infrared reflectivity measurements are made on both, n and p bulk GaSb at 300 K to determine carrier concentration and mobility of the material by using a least-square fit on a non-linear model to experimental data after their transfer from spectrometer to a compatible computer in ASCII code. For n-type GaSb a method is proposed for calculating density and mobility of carriers from plasma frequency and carrier scattering time given by the fit, taking into account contributions of both, Γ and L band electrons to conductivity. Good agreement is obtained between density and mobility given by reflectivity and those given by Hall measurements for density range 1.2 × 1017 to 3 × 1018 cm−3. Um die Trägerkonzentration und die Beweglichkeit des Materials zu bestimmen, werden Infrarotreflexionsmessungen an n- und p-Volumen-GaSb bei 300 K und eine Anpassung der experimentellen Daten an ein nichtlineares Modell nach dem Datentransfer vom Spektrometer zu einem kompatiblen Computer im ASCII-Code durchgeführt. Für n-GaSb wird eine Methode zur Berechnung der Dichte und Beweglichkeit der Träger aus der Plasmafrequenz und der aus der Anpassung gegebenen Trägerstreuzeit, wobei die Beiträge sowohl der Γ-als auch der L-Elektronenbänder zur Leitfähigkeit berücksichtigt werden. Gute Übereinstimmung wird zwischen Dichte und Beweglichkeit aus den Reflexionsmessungen und den aus Hallmessungen für den Dichtebereich 1,2 × 1017 bis 3 × 1018 cm−3 erhalten." @default.
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- W2059093612 date "1992-01-01" @default.
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- W2059093612 title "Optical Determination of Carrier Concentration and Mobility in p and n Bulk GaSb by Infrared Reflectivity Spectral Analysis" @default.
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- W2059093612 doi "https://doi.org/10.1002/pssb.2221690115" @default.
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