A low field superconducting quantum interference device magnetometer for dynamic measurements

Magnusson, J.; Djurberg, C.; Granberg, P.; Nordblad, P.
October 1997
Review of Scientific Instruments;Oct97, Vol. 68 Issue 10, p3761
Academic Journal
Describes a superconducting quantum interference device magnetometer system for low field static and dynamic susceptibility measurements. Reduction of the residual fluid in the sample space; Generation of a highly stable dc magnetic field by a small superconducting solenoid working in the persistent mode; Temperature control system.


Related Articles

  • Automated and versatile SQUID magnetometer for the measurement of materials properties at millikelvin temperatures. Morello, A.; Angenent, W. G. J.; Frossati, G.; de Jongh, L. J. // Review of Scientific Instruments;Feb2005, Vol. 76 Issue 2, p023902 

    We present the design and construction of a SQUID-based magnetometer for operation down to temperatures T≃10 mK, while retaining the compatibility with the sample holders typically used in commercial SQUID magnetometers. The system is based on a dc-SQUID coupled to a second-order...

  • Plastics instrumental in Quantum design. Renstrom, Roger // Plastics News;9/18/2006, Vol. 18 Issue 29, p13 

    The article presents information about the launch of a new plastics-enhanced ultrasensitive instrument by San Diego, California-based Quantum Design Corp. The instrument comes with a new design and is used for measuring magnetic properties of materials. The instrument combines the features of a...

  • Experimental investigation of high temperature superconducting imaging surface magnetometry. Espy, Michelle A.; Matlashov, Andrei N.; Kraus, Robert H.; Volegov, Petr; Maharajh, Keeran // Review of Scientific Instruments;Jun2002, Vol. 73 Issue 6, p2360 

    The behavior of high temperature superconducting quantum interference devices (SQUIDs) in the presence of high temperature superconducting surfaces has been investigated. When current sources are placed close to a superconducting imaging surface (SIS) an image current is produced due to the...

  • Unlocked detection of SQUID signals: Theory and design. Dubuc, C.; Benhida, K.; Bloyet, D. // Review of Scientific Instruments;May91, Vol. 62 Issue 5, p1333 

    We describe the principle and implementation of a new unlocked processing of SQUID signals. A digital interpolation is achieved by using the periodicity of the voltage-flux transfer characteristic. The method is analyzed and the choice of the main parameters is discussed. A practical...

  • An 8-T superconducting quantum interference device magnetometer. Genna, J. C.; Biston, S.; Cotillard, J. C.; Lethuillier, P.; Faurin, C.; Hostachy, P.; Rocca-Valero, R.; Roullier, J. // Review of Scientific Instruments;Jul1991, Vol. 62 Issue 7, p1824 

    A variable-temperature (1.4–320 K) superconducting quantum interference device magnetometer, operating in magnetic fields up to 8 T, has been built. The sensitivity is 2×10-7 emu in low fields and 2×10-6 in high fields. The apparatus allows magnetization and anisotropy...

  • Electronic high-temperature radio frequency superconducting quantum interference device... Borgmann, J.; David, P.; Ockenfuss, G.; Otto, R.; Schubert, J.; Zander, W. // Review of Scientific Instruments;Jul97, Vol. 68 Issue 7, p2730 

    Discusses improved electronically formed gradiometers based on high-temperature radio frequency superconducting quantum interference device magnetometers. Design and operation principle of the magnetometer; Gradiometer system setup; First-order system balance and performance; Balance of common...

  • A 5-MHz bandwidth SQUID magnetometer with additional positive feedback. Drung, D.; Matz, H.; Koch, H. // Review of Scientific Instruments;Apr95, Vol. 66 Issue 4, p3008 

    Describes the fabrication of a fast superconducting quantum interference device (SQUID) magnetometer system using the multiloop magnetometer W7A with additional positive feedback. Three components of the system; Determination of the flux noise of the SQUID; Observation of limiting factors.

  • A miniature magnetometer based on the superconducting quantum interference device with direct... Polushkin, V.; Wallis, M.; Glowacka, D.; Matthews, A.; Lumley, John M. // Review of Scientific Instruments;Mar97, Vol. 68 Issue 3, p1461 

    Develops a novel miniature superconducting quantum interference device magnetometer with direct readout electronics. High flux-to-voltage transfer factor achieved without additional positive feedback; Flux resolution corresponding to a magnetic moment sensitivity; Study of the dynamic...

  • Large-area low-noise seven-channel dc SQUID magnetometer for brain research. Knuutila, Jukka; Ahlfors, Seppo; Ahonen, Antti; Hällström, Jari; Kajola, Matti; Lounasmaa, Olli V.; Vilkman, Visa; Tesche, Claudia // Review of Scientific Instruments;Nov87, Vol. 58 Issue 11, p2145 

    The design, construction, and performance of a new high-sensitivity dc SQUID magnetometer, covering a circular area of 93-mm diameter, is described. The device, now used routinely in our brain research, comprises seven asymmetric first-order gradiometers, located on a spherical surface of 125-mm...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics