On switching behavior of ferrite substrate with magnetostatic and spin wave exchange term |
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Authors: | Naveen Kumar Saxena Nitendar Kumar and P K S Pourush |
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Institution: | (1) Department of Electrical and Computer Engineering, Virginia Commonwealth University, Richmond, VA 23284, USA |
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Abstract: | Due to the generation of magnetostatic and spin waves, switching phenomena of ferrite substrate with a normal magnetic biasing
field is presented. Generally below the X-band of microwave range, the Pozar’s quasi TEM waves (extraordinary waves) were
studied, but for the study of X-band there should be an inclusion of spin wave exchange term (ωr) in the magnetostatic wave analysis which depends upon the static internal field (Hex). This term is included in analysis
because the wavelength of microwave approach is the inter-atomic distance of ferrite material. In this work we synthesize
LiTi ferrite through Solid State Reaction Technique (SSRT) and obtained electric and magnetic properties for the analysis.
Absorbing and transmission power coefficients have been calculated to obtain the power loss and transmitted power through
the substrate, respectively. The absorbing power coefficient verifies the switching behavior of substrate for certain range
of applied external magnetic field (H
o) which depends on the resonance line width parameter (ΔH) of ferrite material. |
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Keywords: | |
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