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Anomalous Enhancement of the Surface Ir Modes in Photoacoustic Spectroscopy of Sio3 Particles.

Authors
Seehra-MS; Pandurangi-RS
Source
J Phys Condens Matter 1989 1:5301-5304
Link
NIOSHTIC No.
10008685
Abstract
A comparative study of the intensities of the ir modes in the photoacoustic and ftir spectroscopy of amorphous and crystalline sio2 particles is presented. It is observed that in photoacoustic spectroscopy of amorphous sio2, ir modes of surface species are enhanced by over an order of magnitude compared to the bulk ir modes of sio2. This effect, though not yet understood, may find applications in surface science.
Publication Date
19890101
Document Type
IH; Final Contract Report;
Fiscal Year
1989
NTIS Accession No.
NTIS Price
Identifying No.
MIR 45-90
NIOSH Division
WO;
Source Name
J. Phys; Condens. Matter, V. 1, 1989, PP. 5301-5304
State
WV;
Performing Organization
West Virginia University
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