Accession Number : AD0610879

Title :   X-RAY DIFFRACTION STUDIES OF THERMAL MOTIONS IN CRYSTALS.

Descriptive Note : Quarterly progress rept. no. 21, 1 Jun-31 Aug 64,

Corporate Author : GEORGIA INST OF TECH ATLANTA ENGINEERING EXPERIMENT STATION

Personal Author(s) : Young,R. A.

Report Date : 06 OCT 1964

Pagination or Media Count : 13

Abstract : The quarterly progress report contains an abstract for a paper on 'Lattice Vibrations in AgCl and the Temperature Dependences of X-ray Bragg Intensities,' by R. M. Nicklow and R. A. Young, to be presented at the Pittsburgh Diffraction Conference, November 1964. Also included is a foreword to the forthcoming Technical Report No. 3 that is essentially the Ph.D. thesis of Dr. R. M. Nicklow. TEMPERATURE DEPENDENCE OF BRAGG INTENSITY FOR PERFECT CRYSTALS IN BRAGG GEOMETRY: Experiments are under way for measuring the integrated intensity as a function of temperature (100 to 400K) and of the absolute value for 'g' with crystals as free as possible of all defects and strains, where 'g' is a zero parameter of an ideally perfect, nonabsorbing crystal according to Parthasarathy (Acta Cryst. 13:802-806 (1960)).

Descriptors :   (*CRYSTALS, X RAY DIFFRACTION), (*THERMAL STRESSES, CRYSTALS), (*MOTION, THERMAL PROPERTIES), CRYSTAL STRUCTURE, VIBRATION, TEMPERATURE, MEASUREMENT, MATERIALS, SILICON, GERMANIUM, POLARIZATION, CRYSTALLOGRAPHY, CRYSTAL LATTICES, SILVER COMPOUNDS, CHLORIDES

Distribution Statement : APPROVED FOR PUBLIC RELEASE