UHV deposition system for quench condensation and i n s i t u study of amorphous transition metal alloy films
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An UHV deposition system for the production of amorphous transition metal alloy films by quench condensation from the vapor phase onto substrates held at liquid-helium temperature is described. The system can be operated with either of two helium cryostats which are designed for different in situ experiments. One of the cryostats incorporates a superconducting solenoid for superconducting critical field, Hall effect, and magnetoresistance measurements from 1.4 to 300 K in fields to 7 T. The other, which provides a larger working space, can be used for a variety of in situ experiments (a rapid survey of the properties of amorphous alloys as a function of concentration, thin-film heat capacity measurements, or superconducting tunneling experiments) between 1.4 and 300 K. Critical field and Hall coefficient measurements for amorphous Ti–V alloys and tunneling results for amorphous gallium films are presented to illustrate the system capabilities. © 1987, American Institute of Physics. All rights reserved.
author list (cited authors)
Naugle, D. G., Bandyopadhyay, B., Bo, Y., Nicoli, V. M., Wang, F., & Rathnayaka, D.