| Miniature ceramic-anvil high-pressure cell for magnetic measurements in a commercial superconducting quantum interference device magnetometer. | |
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MedLine Citation:
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PMID: 21639517 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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A miniature opposed-anvil high-pressure cell has been developed for magnetic measurement in a commercial superconducting quantum interference device magnetometer. Non-magnetic anvils made of composite ceramic material were used to generate high-pressure with a Cu-Be gasket. We have examined anvils with different culet sizes (1.8, 1.6, 1.4, 1.2, 1.0, 0.8, and 0.6 mm). The pressure generated at low temperature was determined by the pressure dependence of the superconducting transition of lead (Pb). The maximum pressure P(max) depends on the culet size of the anvil: the values of P(max) are 2.4 and 7.6 GPa for 1.8 and 0.6 mm culet anvils, respectively. We revealed that the composite ceramic anvil has potential to generate high-pressure above 5 GPa. The background magnetization of the Cu-Be gasket is generally two orders of magnitude smaller than the Ni-Cr-Al gasket for the indenter cell. The present cell can be used not only with ferromagnetic and superconducting materials with large magnetization but also with antiferromagnetic compounds with smaller magnetization. The production cost of the present pressure cell is about one tenth of that of a diamond anvil cell. The anvil alignment mechanism is not necessary in the present pressure cell because of the strong fracture toughness (6.5 MPa m(1∕2)) of the composite ceramic anvil. The simplified pressure cell is easy-to-use for researchers who are not familiar with high-pressure technology. Representative results on the magnetization of superconducting MgB(2) and antiferromagnet CePd(5)Al(2) are reported. |
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Authors:
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Naoyuki Tateiwa; Yoshinori Haga; Zachary Fisk; Yoshichika Ōnuki |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: The Review of scientific instruments Volume: 82 ISSN: 1089-7623 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-6-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0405571 Medline TA: Rev Sci Instrum Country: - |
Other Details:
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Languages: ENG Pagination: 053906 Citation Subset: - |
Affiliation:
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Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Naka, Ibaraki 319-1195, JapanUniversity of California, Irvine, California 92697, USAGraduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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