Dynamics of charge-density waves in electron-irradiated K sub 0. 3 MoO sub 3
Journal Article
·
· Physical Review, B: Condensed Matter; (USA)
- Department of Electrical, University of Illinois at Urbana-Champaign, 1406 West Green Street, Urbana, Illinois 61801-2991 (USA) Computer Engineering, University of Illinois at Urbana-Champaign, 1406 West Green Street, Urbana, Illinois 61801-2991 (USA)
A systematic study is carried out on K{sub 0.3}MoO{sub 3} crystals irradiated with 2.5-MeV electrons. The high-temperature charge-density-wave (CDW) threshold field {ital E}{sub {ital T}} and the static dielectric constant {epsilon}({omega}{r arrow}0) are measured in the temperature range 40{lt}{ital T}{lt}70 K, and the low-temperature CDW depinning field {ital E}{sub {ital T}}{sup *} and the dielectric constant {epsilon}{sup *} at liquid-helium temperature (4.2 K) are also measured, all as functions of increasing irradiation dosage. Empirical relations among these quantities, which characterize the dynamics of charge-density waves in both the high-temperature and the low-temperature regimes, are established. Our experimental results are then compared with current theoretical models.
- OSTI ID:
- 6903394
- Journal Information:
- Physical Review, B: Condensed Matter; (USA), Journal Name: Physical Review, B: Condensed Matter; (USA) Vol. 41:11; ISSN PRBMD; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360605* -- Materials-- Radiation Effects
ALKALI METAL COMPOUNDS
COLLISIONS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ELECTRON COLLISIONS
ENERGY RANGE
MEV RANGE
MEV RANGE 01-10
MOLYBDATES
MOLYBDENUM COMPOUNDS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
POTASSIUM COMPOUNDS
RADIATION EFFECTS
REFRACTORY METAL COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE
360605* -- Materials-- Radiation Effects
ALKALI METAL COMPOUNDS
COLLISIONS
CRYSTAL DEFECTS
CRYSTAL STRUCTURE
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ELECTRON COLLISIONS
ENERGY RANGE
MEV RANGE
MEV RANGE 01-10
MOLYBDATES
MOLYBDENUM COMPOUNDS
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PHYSICAL RADIATION EFFECTS
POTASSIUM COMPOUNDS
RADIATION EFFECTS
REFRACTORY METAL COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
ULTRALOW TEMPERATURE
VERY LOW TEMPERATURE