The low-temperature magnetization in a series of amorphous (CopNi1-p)75P16B6Al3 alloys (0·34 ≤p≤ 0·5) deviates strongly from the Bloch T3/2 law. These deviations are shown to result from short-wavelength excitations (‘fractons’) for which the random magnetic network looks fractal.
|Number of pages||5|
|Journal||Philosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties|
|State||Published - Dec 1987|
Bibliographical noteFunding Information:
ACKNOWLEDGMENT This work is supported in part by the National Science Foundation Materials Research Laboratory Program through Grant NSF-DMR-83-1698 1, and in part by the Fund for Basic Research administered by the Israel Academy of Science and Humanities.