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  National High Magnetic Field Laboratory, NHMFL

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    NHMFL at
    Los Alamos National Laboratory
    Los Alamos, N.M. 87545
    Voice 505.667.5032
    Fax 505.665.4311


  • Center Leader
    (505) 665-6504
    Marcelo Jaime, Acting

  • Program Adminisrator
    Julie Gallegos
    (505) 665-9039


  • Head of Users
    Program
    Chuck Mielke
    (505) 665-1500

20T Superconducting Magnet


The 20 T magnet serves an essential role in a pulsed field laboratory by providing calibration, set-up, and staging services in addition to a low cost and convenient field environment for dedicated experiments. The following sample environment and probes are available:

Cryostats

  • Flow cryostat (1.5K < T < 320K); sample space: 40 mm in gas and 25 mm in vacuum

  • Dilution refrigerator (20 mK base T); sample space: 32 mm in vacuum and 16 mm in liquid

  • He3 top-loading insert (250 mK base T)

  • High temperature probe (4K < T < 600K)

  • Compensation coil for thermometry in a low field of 1500 gauss and experiments in a field high gradient of 6000 gauss/mm)

  • Critical current probe, 300 A, 4 K

    Measurements

  • Magnetostriction cell, 1. E - 9 DL/L, 25 mK < T < 300 K

  • Specific heat 70 mK - 300 K

  • Torque magnetometry and transport 25 mK - 300 K

    Back to Magnets


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