Magnetization measurement of 3He film adsorbed on sintered silver powder |
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Authors: | Akio Fukushima Shinji Ogawa Yuichi Okuda |
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Affiliation: | (1) Institute for Solid State Physics, University of Tokyo, Tokyo, Japan;(2) Department of Applied Physics, Tokyo Institute of Technology, Tokyo, Japan;(3) Present address: Electrotechnical Laboratory, Umezono, Tukuba-shi, 305 Ibaragi, Japan |
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Abstract: | The static magnetization of 3He film adsorbed on sintered silver powder has been measured for coverages from 0.10 to 0.54 atoms/»2 in steps of 0.02 atoms/»2 and at a coverage of 4.5 atoms/»2. Below 0.20 atoms/»2 the magnetization well obeys the Curie law, while above that coverage a ferromagnetic tendency appears. The coverage dependence of the magnetization greatly differs from that for graphite. At 0.23 atoms/»2 the magnetization has apeak like that for graphite; however, the magnitude of the peak is not so large. Furthermore, a multipeak structure is found in the isotherm of the magnetization at 0.2 mK. It has two prominent peaks at 0.23 and 0.29 atoms/»2, and two other peaks are found at 0.35 and 0.41 atoms/»2. These appear periodically with an interval of 0.06 atoms/»2, which is nearly equal to the coverage of one liquid layer. |
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