THE ULTRASONIC LOSS OF MANGANESE FERRITES (MnxFe3-xO4) WITH A MANGANESE CONTENT BETWEEN 0.7 AND 1.6 AT FREQUENCIES BETWEEN 50 kHz AND 70 MHz AND TEMPERATURES BETWEEN 80 K AND 400 K
J. Phys. Colloques, 32 C1 (1971) C1-62-C1-63
DOI: 10.1051/jphyscol:1971115