Superconductivity and itinerant ferromagnetism of Y9Co7 probed by ac susceptibility. (29th March 2016)

• Record Type: Journal Article
• Authors: Gordon, R T; Vannette, M D; Strychalska, J; Klimczuk, T; Cava, R J; Prozorov, R
• Is Part Of: Journal of physics. Volume 28:Number 16(2016)
• Publication Date: 2016-03-29
• Subjects: itinerant ferromagnetism -- superconductivity -- tunnel diode resonator; Condensed matter -- Periodicals; Matière condensée -- Périodiques; Vaste stoffen; Vloeistoffen; Natuurkunde; Electronic journals; Computer network resources; 530.4105
• DOI: 10.1088/0953-8984/28/16/166006
• Languages: English
• ISSNs: 0953-8984

Abstract

Abstract: The ac magnetic susceptibility of a single crystal sample of the compound Y9 Co7 has been measured in applied dc fields ranging from 0–6.7 kOe by utilizing a tunnel diode resonator circuit. In agreement with previous measurements on this material, a superconducting transition has been observed to occur at K. A broad maximum has been observed in the zero field susceptibility measurements from 2.5 K < T < 8 K and its behavior with applied dc magnetic fields is consistent with that of the itinerant ferromagnet ZrZn2, which supports previous claims of itinerant ferromagnetism in this compound. The susceptibility has also been measured as a function of applied magnetic field and the results indicate that the actual Curie temperature for this system is higher than that suggested by previous reports based on Arrott plots constructed from dc magnetization.