Crystal structure and electronic properties of Gd3Zn4.7Al6.3

✍ Scribed by O. Stelmakhovych; B. Stelmakhovych; L. Havela; Ya. Kalychak

• Publisher: Elsevier Science
• Year: 2009
• Tongue: English
• Weight: 175 KB
• Volume: 404
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/j.physb.2009.01.044

✦ Synopsis

Gd 3 Zn 4.7 Al 6.3 crystallizes in the La 3 Al 11 -type of structure (space group Immm, Z ¼ 2, a ¼ 0.42523(6), b ¼ 1.2541(2), c ¼ 0.9988(4) nm). The magnetization and specific heat measured as function of temperature and magnetic field indicate an antiferromagnetic ground state and altogether three magnetic phase transitions at T N ¼ 26.3 K, T C1 ¼ 11.2 K and T C2 ¼ 8.0 K. A metamagnetic transition can be induced at low temperatures in magnetic fields above 5 T.