Magnetic phase transitions in PrCu2Ge2

✍ Scribed by Toru Shigeoka; Kourou Hirata; Tomohito Nakano; Yoshiya Uwatoko

• Publisher: Elsevier Science
• Year: 2005
• Tongue: English
• Weight: 244 KB
• Volume: 359-361
• Category: Article
• ISSN: 0921-4526
• DOI: 10.1016/j.physb.2005.01.264

✦ Synopsis

Measurements of electrical resistivity and specific heat have been performed on the tetragonal ternary compound PrCu 2 Ge 2 . The resistivity shows a inflection and a sharp drop with a hysteresis around 14 and 4 K where the specific heat also shows a l-type anomaly and a jump, respectively, which are associated with magnetic transitions. From the low temperature specific heat, the electronic specific heat coefficient g ¼ 13 mJ=mol K 2 and the hyperfine field H h ¼ 3000 kOe are estimated. The magnetic entropy indicates the existence of a doublet ground level and a doublet first excited level.