Acoustic Fields And Waves In Solids Pdf To Excel
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Bone
A Avraham Hirschberg
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Eindhoven University Of Technology
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Database of articles on military and naval science, operational warfare, joint planning, national and international politics, and other areas researched by Joint Forces Staff College from 1985 to present. WHS - Washington Headquarters Service. Department of Defense (DoD) Issuances (current and cancelled), Joint Staff and other U.S. Military (i.e., Army, Navy, Air Force) service publications, Administrative Instructions, Directive-Type Memorandums and DoD Forms. Accession Number: AD0637867 Title: HIGH-FREQUENCY CONDUCTIVITY, CARRIER WAVES, AND ACOUSTIC AMPLIFICATION IN DRIFTED SEMICONDUCTOR PLASMAS. Corporate Author: ROYAL INST OF TECH STOCKHOLM (SWEDEN) MICROWAVE DEPT Personal Author(s): Blotekjaer,Kjell Report Date: 31 MAY 1966 Pagination or Media Count: 88 Abstract: The temperature modulation of charge carriers in a semiconductor is analyzed for a plane wave propagating along a static electric field. The effect of temperature modulation on the rf conductivity is considered.
A phenomenological description of energy relaxation, momentum relaxation and intercarrier collisions is used. The expression for conductivity is used to derive a dispersion relation for carrier waves in drifted semiconductor plasmas. Two new waves are introduced by relaxing the assumption of isothermal carrier transport. The theory is applied to a discussion of acoustic amplification in piezoelectric semiconductors. It is shown that the non-isothermal effects limit the maximum gain which can be achieved at high frequencies. (Author) Descriptors:, CONDUCTIVITY, TRANSPORT PROPERTIES, CHARGE CARRIERS, HIGH FREQUENCY, WAVE PROPAGATION, SOLID STATE PHYSICS, SWEDEN.
Subject Categories: SOLID STATE PHYSICS Distribution Statement: APPROVED FOR PUBLIC RELEASE.
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