Nuclear cooperative phenomena in copper at nanokelvin temperatures
Conference
·
· AIP Conf. Proc.; (United States)
OSTI ID:6096844
The authors present a study of nuclear cooperative phenomena in metallic copper by demagnetizing highly polarized spins to low fields where spin-spin interaction dominate. In zero external field, the critical temperature T/sub c/ of the antiferromagnetic phase was 60 +/- 10 nK, and during the first order transition the entropy changes from 0.49Rln4 to 0.65Rln4. The critical field B/sub c/ = 0.25 +/- 0.1 mT. Evidence for another transition at 0.09 mT was also seen. The entropy of nuclear spins in zero external field is presented as a function of temperature; the S vs. T diagram, however, is provisional especially in the ordered phase. 4 references, 6 figures.
- Research Organization:
- Helsinki Univ. of Technology, Espoo, Finland
- OSTI ID:
- 6096844
- Report Number(s):
- CONF-830456-
- Conference Information:
- Journal Name: AIP Conf. Proc.; (United States) Journal Volume: 103
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR MOMENTUM
CONTROL EQUIPMENT
COPPER
COUPLING
CRITICAL TEMPERATURE
CRYOSTATS
CRYSTALS
DATA
DEMAGNETIZATION
ELEMENTS
ENTROPY
EQUIPMENT
EXPERIMENTAL DATA
INFORMATION
INTERFACES
INTERMEDIATE COUPLING
J-J COUPLING
MAGNETIC FIELDS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MECHANICS
MEETINGS
METALS
NUMERICAL DATA
ORIENTATION
PARTICLE PROPERTIES
PERFORMANCE
PHYSICAL PROPERTIES
QUANTUM CRYSTALS
QUANTUM MECHANICS
SOLIDS
SPIN
SPIN ORIENTATION
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
THERMOSTATS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANGULAR MOMENTUM
CONTROL EQUIPMENT
COPPER
COUPLING
CRITICAL TEMPERATURE
CRYOSTATS
CRYSTALS
DATA
DEMAGNETIZATION
ELEMENTS
ENTROPY
EQUIPMENT
EXPERIMENTAL DATA
INFORMATION
INTERFACES
INTERMEDIATE COUPLING
J-J COUPLING
MAGNETIC FIELDS
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MECHANICS
MEETINGS
METALS
NUMERICAL DATA
ORIENTATION
PARTICLE PROPERTIES
PERFORMANCE
PHYSICAL PROPERTIES
QUANTUM CRYSTALS
QUANTUM MECHANICS
SOLIDS
SPIN
SPIN ORIENTATION
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
THERMOSTATS
TRANSITION ELEMENTS
TRANSITION TEMPERATURE
ULTRALOW TEMPERATURE