ISSN:
1434-601X
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract The differential magnetic susceptibility X=X′-iX″ of HoCl3, Ho(Y)Cl3, and Ho(La)Cl3 has been measured with a mutual inductance bridge with frequencies from 5.3 c/s to 5.12 kc/s at temperatures between 1.1 and 4.2 °K, and in constant magnetic fields up to 3 kOe. — In monoclinic HoCl3 a magnetic transition has been observed atT=2.15 °K (maximum of X″). No transition occurs for 0.5 and 5% Ho3+ in isomorphic YCl3. — The results for nominal concentrations of 1, 2, and 5% Ho3+ in hexagonal LaCl3 indicate, that there is a considerable precipitation of monoclinic HoCl3 during crystal growth. Relaxation measurements on Ho3+ in hexagonal sites are interpreted in terms of a phonon-bottleneck in the temperature region 1.1 °K≦T≦2.00K with a hot-phonon equilibration time of about 0.2 μs.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01391478
