Effects of hole doping by neutron irradiation of magnetic field induced electronic phase transitions in graphite
Conference
·
OSTI ID:964967
- Los Alamos National Laboratory
- TOKYO UNIV
We have investigated effects of hole doping by fast-neutron irradiation on the magnetic-field induced phase transitions in graphite using specimens irradiated with fast neutrons. Resistance measurements have been done in magnetic fields of up to above 50 T and at temperatures down to about 1.5 K. The neutron irradiation creates lattice defects acting as acceptors, affecting the imbalance of the electron and hole densities and the Fermi level. We have found that the reentrant field from the field induced state back to the normal state shifts towards a lower field with hole doping, suggestive of the participation of electron subbands in the magnetic-field induced state.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- OSTI ID:
- 964967
- Report Number(s):
- LA-UR-08-05341; LA-UR-08-5341; TRN: US0903549
- Resource Relation:
- Conference: 25th International Conference on Low Temperature Physics (LT25) ; August 6, 2008 ; Amsterdam, The Netherlands
- Country of Publication:
- United States
- Language:
- English
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