A device for applying compressive uniaxial stress has been developed to fit within the pickup coils of a SQUID magnetometer. Forces of up to 300 N may be applied from liquid-helium temperature up to room temperature. Strain gauges provide a voltage output proportional to stress that is linear and reproducible to within 3% of full scale. Combined with a SQUID moment sensitivity of 1.2×10−8 G cm3, detailed studies of the stress dependence of the magnetization are possible. Stress-induced shifts in magnetic, superconducting, and other types of transition temperatures can also be observed easily.
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Osterman et al. (1985) studied this question.
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