Apparatus for characterizing conductivity of superconducting materials
Patent
·
OSTI ID:869057
- Los Alamos, NM
Apparatus and method for noncontact, radio-frequency shielding current characterization of materials. Self- or mutual inductance changes in one or more inductive elements, respectively, occur when materials capable of supporting shielding currents are placed in proximity thereto, or undergo change in resistivity while in place. Such changes can be observed by incorporating the inductor(s) in a resonant circuit and determining the frequency of oscillation or by measuring the voltage induced on a coupled inductive element. The present invention is useful for determining the critical temperature and superconducting transition width for superconducting samples.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- Assignee:
- University of California Patent, Trademark & Copyright Office (Alameda, CA)
- Patent Number(s):
- US 5268646
- OSTI ID:
- 869057
- Country of Publication:
- United States
- Language:
- English
Calibration of ac susceptometer for cylindrical specimens
|
journal | May 1984 |
Effect of the Energy Gap on the Penetration Depth of Superconductors
|
journal | January 1959 |
Contactless method of measuring resistivity
|
journal | June 1976 |
Upper critical fields of the superconducting layered compounds Nb1?x Ta x Se2
|
journal | September 1984 |
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characterizing
conductivity
superconducting
materials
method
noncontact
radio-frequency
shielding
current
characterization
self-
mutual
inductance
changes
inductive
elements
respectively
occur
capable
supporting
currents
placed
proximity
thereto
undergo
change
resistivity
observed
incorporating
inductor
resonant
circuit
determining
frequency
oscillation
measuring
voltage
induced
coupled
element
useful
critical
temperature
transition
width
samples
materials capable
resonant circuit
conducting material
critical temperature
superconducting material
superconducting materials
inductive element
shielding currents
voltage induced
mutual inductance
superconducting transition
radio-frequency shielding
shielding current
characterizing conductivity
coupled inductive
inductive elements
inductance changes
superconducting sample
current characterization
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