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Rorschach, Harold E., Jr. Schreiber, Roland, 1958- 2016-04-22T21:59:44Z 2016-04-22T21:59:44Z 1972 Schreiber, Roland, 1958-. "Low magnetic field transitions of rhenium near the critical temperature." (1972) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/90097">https://hdl.handle.net/1911/90097</a>. https://hdl.handle.net/1911/90097 RICE1133 Thesis Phys. 1972 Schreiber A cryostat was constructed using conventional and superconducting shielding techniques. The ambient magnetic field at the sample was reduced to less than 10 to the -5 Gauss. For the single crystal rhenium sample isothermal magnetization curves were obtained with thermodynamic critical fields Hc between 4mG and 0.3G. The slope of Hc(T) vs. T was found to be not constant near the zero field transition temperature To. For Hc(T))>100mG a slope of 192 G/K was obtained, while for Hc(T)~5mg the slope decreased to 88 G/K. Whether this change in slope is due to mechanical defects in the sample or due to effects of fluctuations near T0 is at present not fully determined. 48 pp reformatted digital eng Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder. Low magnetic field transitions of rhenium near the critical temperature Thesis Text Physics Natural Sciences Rice University Masters Master of Arts open.access