Physics – Optics
Scientific paper
Sep 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005spie.5957..293s&link_type=abstract
Integrated Optics: Theory and Applications. Edited by Pustelny, Tadeusz; Lambeck, Paul V.; Gorecki, Christophe. Proceedings of
Physics
Optics
Scientific paper
Ultrasonically stimulated effects in Hg1-xCdxTe alloys were studied. Dependencies of Hall coefficient and conductivity of n- and p-MCT samples from temperature ( T=77÷300° K ) and magnetic field ( B=0÷0.7 T ) were investigated during ultrasonic influence and after ultrasonic treatment with frequency fUS = 5÷8 MHz and intensity WUS ≲ 0.5"104 W/m2. It was shown that the action of the acoustic wave excited in Hg1-xCdxTe crystal by piezo-transducer results in an essential change of the carrier concentration up to change of the conduction type. The possible mechanism of sonic-stimulated effects was discussed in the frame of the intensive sonic-dislocation interaction model. The possibility of the thermooptical excitation of solid with activation of internal sources of the infrared radiation as a consequence of the acoustic wave energy absorption was determined.
Savkina Rada K.
Sizov Feodor F.
Smirnov Alexsej B.
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