TITLE

Nonlinear far-infrared photoacoustic magnetospectroscopy of n-GaAs at low temperatures

AUTHOR(S)
Schilz, A.; Huber, L.
PUB. DATE
May 1992
SOURCE
Applied Physics Letters;5/11/1992, Vol. 60 Issue 19, p2394
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Investigates the far-infrared photoacoustic magnetospectroscopy of n-gallium arsenide (GaAs) at low temperatures. Analysis of GaAs magnetoabsorption as a function of irradiation intensity; Determination of the saturation intensities of various optical transitions; Properties of carrier transport in semiconductors.
ACCESSION #
4227375

 

Related Articles

  • Pulsed-laser photoacoustics hears molecular vibrations. Small, Enoch W. // Laser Focus World;Mar96, Vol. 32 Issue 3, pS27 

    Focuses on pulsed-laser photoacoustics. Discussion on electrostriction; Attenuation of laser pulse by a neutral density filter; Sample holder; Disappearance of photoacoustic signals due to heat deposition; Applications of photoacoustics; Data analysis.

  • Perspective: Photoacoustic spectroscopy: “Linearization and signal recovery in photoacoustic infrared spectroscopy” [Rev. Sci. Instrum. 78, 051301 (2007)]. McClelland, John F. // Review of Scientific Instruments;May2007, Vol. 78 Issue 5, p050901 

    The article discusses the paper "Linearization and signal recovery in photoacoustic infrared spectroscopy," published in the same issue of the journal "Review of Scientific Instruments."

  • Photoacoustic determination of heat capacity per unit volume at room temperature of thin metallic foils. Gutiérrez-Juárez, G.; Vargas-Luna, M.; Camacho-Espinosa, J. J.; Sosa, M.; González-Solıs, J. L.; Bernal-Alvarado, J.; Alvarado-Gil, J. J. // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p845 

    A photoacoustic method for the determination of the heat capacity per unit volume (ρC[SUBp]), at room temperature, for thin metallic foils is presented. The method is based on the use of a variant of a conventional photoacoustic cell.

  • Photoacoustic manipulation of particles and cells. Zharov, Vladimir; Malinsky, Taras; Alekhnovich, Valentin // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p779 

    The aim of this study is to evaluate the capability of the photoacoustic (PA) effect for manipulation of nonbiological particles or living cells. The principal operation of such "PA tweezers" are based on laser generation pressure gradients in a medium surrounding the particles, that create...

  • Photoacoustic spectroscopy of CdTe nanocrystals doped in a GeO[sub 2] glass matrix (abstract). Tsuboya, Ikumi; Arae, Dai; Shen, Qing; Toyoda, Taro // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p792 

    Semiconductor particles with sizes of the order of a few nanometers in a glass matrix show very attractive properties completely different from bulk materials. They show promise both for the basic study of the three-dimensional confinement in semiconductors and for applications in the field of...

  • Loss factor determination of composite laminates by the photoacoustic technique. Navarrete, M.; Villagrán-Muniz, M. // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p479 

    This article presents a method for identifying elastic and damping properties of unidirectional composite laminates by using photoacoustic (PA) signal data. In this method, the laser pulse is used as a standard source of ultrasound. The analysis was developed considering that the acoustic wave...

  • Signal processing in pulsed photoacoustic detection of traces by means of a fast Fourier transform-based method. Slezak, Verónica // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p642 

    This work describes a simple numerical procedure which, applied to a digitally recorded signal, allows the recovery of a spectrum of higher-frequency resolution than the direct use of the fast Fourier transform alone. The advantages of the method and its limitations are analyzed in applications...

  • Photothermal characterization of materials biomineralized by mollusks (invited). Gómez, O.; Quintana, P.; Aguilar, D. H.; Alvarado-Gil, J. J.; Yánez-Limón, M.; Diaz, L.; Aldana, D. // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p750 

    In this article the potential of photoacoustic techniques in the optical and thermal characterization of mollusk-made biominerals is explored. The case of two bivalve species with strong structural and architectural differences, oysters (Crassostrea virginica) and mussels (Ischadium recurvum) is...

  • Counting particles by means of optoacoustics: Potential limits in real solutions. Autrey, Tom; Egerev, Sergey; Foster, Nancy S.; Fokin, Andrey; Ovchinnikov, Oleg // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p628 

    The irradiation of an inhomogeneous liquid sample with a long train of short laser pulses and subsequent recording of a histogram of the magnitudes of the acoustic responses can serve as a diagnostic tool for various applications. The absorption of an incident light by a suspended particle may...

  • Photoacoustic spectroscopy applied to the study of clay soils. dos Santos, D. R.; Toledo, R.; Massunaga, M. S. O.; Carrió, J. G.; Auler, L. T.; da Silva, E. C.; Garcia-Quiroz, A.; Vargas, H. // Review of Scientific Instruments;Jan2003, Vol. 74 Issue 1, p355 

    The optical absorption spectra and mineralogical composition of soil samples were characterized using photoacoustic spectroscopy and x-ray diffraction. The photoacoustic spectra observed showed transition bands associated with Fe[SUP3+] ions in octahedral or tetrahedral symmetry. From the phase...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics