Possible Bose-Einstein condensate of magnons in single-crystalline Pb{sub 2}V{sub 3}O{sub 9}

Journal Article · Thu Apr 01 00:00:00 EDT 2010 · Physical Review. B, Condensed Matter and Materials Physics

DOI:https://doi.org/10.1103/PHYSREVB.81.132401· OSTI ID:21366713

Conner, B S; Zhou, H D; Wiebe, C R ^[1]; Jo, Y J; Balicas, L ^[2]; Carlo, J P; Uemura, Y J ^[3]; Aczel, A A; Williams, T J; Luke, G M ^[4]

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1. Department of Physics, Florida State University, Tallahassee, Florida 32306-3016 (United States)
2. National High Magnetic Field Laboratory, Florida State University, Tallahassee, Florida 32306-4005 (United States)
3. Department of Physics, Columbia University, New York, New York 10027 (United States)
4. Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, L8S 4M1 (Canada)

We report the growth and the characterization of single crystals of the S=1/2 spin-dimer compound Pb{sub 2}V{sub 3}O{sub 9}. Magnetic-susceptibility, torque magnetometry, heat-capacity, and muon-spin-relaxation measurements provide evidence for a field-induced Bose-Einstein condensate of magnons in this system. At low temperatures, the field-dependent phase boundary between the dimerized and the condensed state is well described by the expression T*propor to(H-H{sub c1}){sup 1/p}hi, with phi=(2.00+-0.04).

• OSTI ID: 21366713
• Journal Information: Physical Review. B, Condensed Matter and Materials Physics, Vol. 81, Issue 13; Other Information: DOI: 10.1103/PhysRevB.81.132401; (c) 2010 The American Physical Society; ISSN 1098-0121
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BOSE-EINSTEIN CONDENSATION
CRYSTAL GROWTH
LEAD COMPOUNDS
MAGNETIC SUSCEPTIBILITY
MAGNETOMETERS
MAGNONS
MONOCRYSTALS
MUON SPIN RELAXATION
SPECIFIC HEAT
SPIN
TORQUE
VANADATES
ANGULAR MOMENTUM
CRYSTALS
MAGNETIC PROPERTIES
MEASURING INSTRUMENTS
OXYGEN COMPOUNDS
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
QUASI PARTICLES
RELAXATION
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS