Characteristic energy scales in CePdAl. Issue 3 (27th February 2013)

• Record Type: Journal Article
• Authors: Woitschach, Sarah; Stockert, Oliver; Koza, Michael Marek; Fritsch, Veronika; von Löhneysen, Hilbert; Steglich, Frank
• Is Part Of: Physica status solidi. Volume 250:Issue 3(2013:Mar.)
• Page Start: 468
• Page End: 471
• Publication Date: 2013-02-27
• Subjects: Solid state physics -- Periodicals; Solids -- Periodicals; Atomic structure -- Periodicals; 530.41
• DOI: 10.1002/pssb.201200922
• Languages: English
• ISSNs: 0370-1972

Abstract

<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>We report on inelastic neutron scattering experiments that were carried out on single‐crystalline CePdAl, which is a heavy fermion system with hexagonal crystal structure and is close to an antiferromagnetic quantum critical point. The measurements yield information on the crystalline‐electric‐field (CEF) excitations and quasielastic spin fluctuations. Two excited CEF levels have been detected at ≈240 K and &gt;400 K. A broad quasielastic magnetic signal could be observed, yielding a Kondo temperature <italic>T</italic>_K = 5 K that agrees with the result from thermodynamic measurements.</p> </abstract>