A new small nano-Kelvin resolution thermometer for low-temperature experiments
A small, high-resolution paramagnetic susceptibility thermometer was developed using a GdCl/sub 3/ paramagnetic salt. The device uses a superconducting quantum interference device (SQUID) magnetometer to determine the temperature dependent magnetization of the salt in a magnetic field. The magnetic...
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Veröffentlicht in: | IEEE transactions on instrumentation and measurement 2000-04, Vol.49 (2), p.253-255 |
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creator | Welander, P. Barmatz, M. Hahn, I. |
description | A small, high-resolution paramagnetic susceptibility thermometer was developed using a GdCl/sub 3/ paramagnetic salt. The device uses a superconducting quantum interference device (SQUID) magnetometer to determine the temperature dependent magnetization of the salt in a magnetic field. The magnetic field is provided by a pair of small samarium cobalt permanent magnet disks situated inside the thermometer housing. This eliminates the need for a heavy, charging solenoid used in a conventional SQUID-based magnetic thermometer system. This thermometer can resolve approximately 10/sup -9/ K near the liquid-gas critical point of /sup 3/He (/spl sim/3.31 K). The drift rate of the thermometer was measured to be |
doi_str_mv | 10.1109/19.843058 |
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The device uses a superconducting quantum interference device (SQUID) magnetometer to determine the temperature dependent magnetization of the salt in a magnetic field. The magnetic field is provided by a pair of small samarium cobalt permanent magnet disks situated inside the thermometer housing. This eliminates the need for a heavy, charging solenoid used in a conventional SQUID-based magnetic thermometer system. This thermometer can resolve approximately 10/sup -9/ K near the liquid-gas critical point of /sup 3/He (/spl sim/3.31 K). The drift rate of the thermometer was measured to be <2/spl times/10/sup -13/ K/s. This light weight thermometer (/spl sim/7 g) is a candidate for use in future low-temperature Space Shuttle and International Space Station experiments.</description><identifier>ISSN: 0018-9456</identifier><identifier>EISSN: 1557-9662</identifier><identifier>DOI: 10.1109/19.843058</identifier><identifier>CODEN: IEIMAO</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cobalt ; Devices ; Interference ; Magnetic fields ; Magnetization ; Nanostructure ; Paramagnetic materials ; Samarium ; SQUID magnetometers ; SQUIDs ; Superconducting devices ; Superconducting magnets ; Superconducting quantum interference devices ; Temperature dependence ; Thermometers ; Weight reduction</subject><ispartof>IEEE transactions on instrumentation and measurement, 2000-04, Vol.49 (2), p.253-255</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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The device uses a superconducting quantum interference device (SQUID) magnetometer to determine the temperature dependent magnetization of the salt in a magnetic field. The magnetic field is provided by a pair of small samarium cobalt permanent magnet disks situated inside the thermometer housing. This eliminates the need for a heavy, charging solenoid used in a conventional SQUID-based magnetic thermometer system. This thermometer can resolve approximately 10/sup -9/ K near the liquid-gas critical point of /sup 3/He (/spl sim/3.31 K). The drift rate of the thermometer was measured to be <2/spl times/10/sup -13/ K/s. This light weight thermometer (/spl sim/7 g) is a candidate for use in future low-temperature Space Shuttle and International Space Station experiments.</description><subject>Cobalt</subject><subject>Devices</subject><subject>Interference</subject><subject>Magnetic fields</subject><subject>Magnetization</subject><subject>Nanostructure</subject><subject>Paramagnetic materials</subject><subject>Samarium</subject><subject>SQUID magnetometers</subject><subject>SQUIDs</subject><subject>Superconducting devices</subject><subject>Superconducting magnets</subject><subject>Superconducting quantum interference devices</subject><subject>Temperature dependence</subject><subject>Thermometers</subject><subject>Weight reduction</subject><issn>0018-9456</issn><issn>1557-9662</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0TtPwzAQAGALgUQpDKxMFgOIIcV2_YjHquIlKlhgtpz0IlI5drETCv-eVKkYGGC6092nk-4OoVNKJpQSfU31JOdTIvI9NKJCqExLyfbRiBCaZ5oLeYiOUloRQpTkaoSeZtjDBqfGOoe99SF7BPdRexwhBde1dfC4fYPYhAZaiLgKEbuwyVpo1hBt20XA8NmndQO-TcfooLIuwckujtHr7c3L_D5bPN89zGeLrOSEtZlWAMwWBdOCLJmolF3KUitbKiZV2dcJyKIoC5CWF4rSimtFBFBeSEXzwk7H6HKYu47hvYPUmqZOJThnPYQuGU25ZJpK2cuLPyXT_S2IZP_DnOdUqi08_wVXoYu-X9fkuWBTyqeiR1cDKmNIKUJl1v2JbPwylJjtpwzVZvhUb88GWwPAj9s1vwENeI36</recordid><startdate>20000401</startdate><enddate>20000401</enddate><creator>Welander, P.</creator><creator>Barmatz, M.</creator><creator>Hahn, I.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The device uses a superconducting quantum interference device (SQUID) magnetometer to determine the temperature dependent magnetization of the salt in a magnetic field. The magnetic field is provided by a pair of small samarium cobalt permanent magnet disks situated inside the thermometer housing. This eliminates the need for a heavy, charging solenoid used in a conventional SQUID-based magnetic thermometer system. This thermometer can resolve approximately 10/sup -9/ K near the liquid-gas critical point of /sup 3/He (/spl sim/3.31 K). The drift rate of the thermometer was measured to be <2/spl times/10/sup -13/ K/s. This light weight thermometer (/spl sim/7 g) is a candidate for use in future low-temperature Space Shuttle and International Space Station experiments.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/19.843058</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Cobalt Devices Interference Magnetic fields Magnetization Nanostructure Paramagnetic materials Samarium SQUID magnetometers SQUIDs Superconducting devices Superconducting magnets Superconducting quantum interference devices Temperature dependence Thermometers Weight reduction |
title | A new small nano-Kelvin resolution thermometer for low-temperature experiments |
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