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Thermal expansion of the heavy-fermion superconductor UNi2Al3

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Citation

Modler, R., Lang, M., Geibel, C., Schank, C., & Steglich, F. (1994). Thermal expansion of the heavy-fermion superconductor UNi2Al3. Physica B-Condensed Matter, 199, 145-147. doi:10.1016/0921-4526(94)91763-9.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0019-DD94-F
Abstract
We have investigated the superconducting and the antiferromagnetic transition of polycrystalline UNi2Al3 by means of high-resolution dilatometry. At T(c) = 0.95 K and T(N) = 4.6 K the thermal-expansion coefficient alpha shows second-order phase-transition anomalies of negative sign. Investigations of the antiferromagnetic transition under magnetic fields indicate a complex magnetic phase diagram reminiscent of that of the Pd homolog.