TEMPERATURE-DEPENDENCE OF THE X-RAY AND NEUTRON-DIFFRACTION FROM A METALLIC GLASS

The amorphous alloy Be//0//. //4Ti//0//. //5Zr//0//. //1 has one of the largest negative temperature coefficients of resistivity known in a metallic glass and thus presents a demanding test case for any theory that would explain this phenomenon. By measuring the temperature dependence of the X-ray and neutron diffraction profiles an attempt was made to test the extended Ziman theory for the resistivity of amorphous metals. The observed change in the structure factor is large enough to explain the observed resistivity data in terms of this theory.