| Issue |
Europhys. Lett.
Volume 48, Number 2, October II 1999
|
|
|---|---|---|
| Page(s) | 182 - 186 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i1999-00464-8 | |
| Published online | 01 September 2002 | |
Soundwave propagation in pulsed magnetic fields in 
Physikalisches Institut, Johann Wolfgang Goethe Universität Frankfurt Robert Mayerstr.2-4, 60054 Frankfurt/Main, Germany
Received:
28
June
1999
Accepted:
20
August
1999
We present for the first time ultrasonic velocity and attenuation measurements
in pulsed magnetic fields up to 50 T. A quadrature method was used which
allows us to measure velocity and attenuation changes simultaneously. To
demonstrate this new experimental technique for pulsed field experiments we
determine the elastic properties of the triangular antiferromagnet .
This substance exhibits different spin phases as a function of magnetic field
showing spectacular effects in propagating sound waves. Our pulsed field experiments
reveal new features of these magnetic phases.
PACS: 62.65.+k – Acoustical properties of solids / 75.30.Kz – Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) / 43.20.Hq – Velocity and attenuation of acoustic waves
© EDP Sciences, 1999
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