Magnetic, transport and specific heat measurements were carried out in Yb 4 As 2.7 Sb 0.3 between 4.2 and 300 K. Contrary to our expectations this sample showed enhanced heavy fermion behavior compared to Yb 4 As 3 , and the carrier concentration remained extremely low.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering