De Haas{endash}van Alphen effect, magnetic transitions, and specific heat in the heavy-fermion system UCd{sub 11}

Journal Article · Tue Jun 01 00:00:00 EDT 1999 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.59.13542· OSTI ID:348262

Cornelius, A L; Arko, A J; Sarrao, J L; Harrison, N ^[1]

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1. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)

We have used high pulsed magnetic fields to 50 T to observe de Haas{endash}van Alphen oscillations in the heavy fermion antiferromagnet UCd{sub 11}, which has a stongly enhanced value of the electronic specific-heat coefficient ({gamma}=803 mJ/molthinspK{sup 2}). The low-temperature magnetization shows the existence of two magnetic phase transitions. The presence of quantum oscillations above the first transition indicates that UCd{sub 11} has a coherent Fermi liquid, although there is little or no change in the Fermi-surface topology on passing through the second transition. {copyright} {ital 1999} {ital The American Physical Society}

• OSTI ID: 348262
• Journal Information: Physical Review, B: Condensed Matter, Vol. 59, Issue 21; Other Information: PBD: Jun 1999
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
FERMI GAS
DE HAAS-VAN ALPHEN EFFECT
SPECIFIC HEAT
CADMIUM ALLOYS
URANIUM ALLOYS
OSCILLATIONS
MAGNETIZATION
MAGNETIC FIELDS
PHASE TRANSFORMATIONS
ANTIFERROMAGNETIC MATERIALS
FERMI LEVEL