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A Comparison Between Square-Loop Metals and Ferrites for High-Speed Pulsed Operation
(Lincoln Laboratory - Division 6, 1954-02-04)
Metals and ferrites with rectangular hysteresis loops are used in magnetic amplifiers, switching networks, and data-storage systems. In these applications, the large-signal pulse response is most important. To reduce the ...
Stress Effects in Ferrites and Generalization of Switching Coefficient for Non-square Materials
(Lincoln Laboratory - Division 6, 1954-01-06)
The hysteresis-loop squareness R[subscript s], the switching coefficient S[subscript W], and the threshold field H[subscript o] of a nickel-zinc ferrite are found to increase upon application of a compressive stress. The ...
Effects of Tape Thickness and Temperature on Flux Reversal of 4-79 Molybdenum-Permalloy
(Lincoln Laboratory - Division 6, 1954-05-03)
Measurements of the flux reversal time t have been made for 1/8-mil, 1/4-mil, 1/2-mil, and 1-mil 4-79 Molybdenum-Permalloy tape cores as a function of the applied field. These measurements were taken at seven different ...
Group 63 Seminar on Magnetism, XLVII
(MIT Digital Computer Laboratory, 1953-04-07)
This memo is a summary of a Group 63 seminar on magnetism. Topics include the spinel structure of ferrites, basic crystal structures, and axes of symmetry.
Group 63 Seminar on Magnetism, XXXVIII
(MIT Digital Computer Laboratory, 1953-03-16)
This memo is a summary of a Group 63 seminar on magnetism. Topics include the phenomenon of superexchange, Hund's rule, the exchange effect, ferrites, and ferrimagnetism.
Group 63 Seminar on Magnetism, X
(MIT Digital Computer Laboratory, 1952-11-19)
This memo is a summary of a Group 63 seminar on magnetism. Topics include the harmonic oscillator, the case of boundary wall energy as a function of displacement, the motion of a body under friction, the resonance frequency ...
Group 63 Seminar on Magnetism V
(MIT Digital Computer Laboratory, 1952-10-28)
This memo is a summary of a Group 63 seminar on magnetism. Topics include Langevin's theory of paramagnetism and some general paramagnetic properties.
Group 63 Seminar on Magnetism, XXXVII
(MIT Digital Computer Laboratory, 1953-03-13)
This memo is a summary of a Group 63 seminar on magnetism. Topics include the electrical conductivity and ferromagnetism.
Group 63 Seminar on Magnetism, LI
(MIT Digital Computer Laboratory, 1953-05-06)
This memo is a summary of a Group 63 seminar on magnetism. Topics include the magnetic characteristics of ferrites in the neighborhood of the Curie temperature.
Group 63 Seminar on Magnetism VII
(MIT Digital Computer Laboratory, 1952-10-27)
This memo is a summary of a Group 63 seminar on magnetism. Topics include Weiss' notion of the internal field, magnetic domains, domain theory, domain growth, and domain rotation.