MATHEMATICAL MODELS OF HYSTERESIS (DYNAMIC PROBLEMS IN HYSTERESIS)

Technical Report · Mon Aug 21 00:00:00 EDT 2006

DOI:https://doi.org/10.2172/889747· OSTI ID:889747

Mayergoyz, Isaak

This research has further advanced the current state of the art in the areas of dynamic aspects of hysteresis and nonlinear large scale magnetization dynamics. The results of this research will find important engineering applications in the areas of magnetic data storage technology and the emerging technology of “spintronics”. Our research efforts have been focused on the following tasks: • Study of fast (pulse) precessional switching of magnetization in magnetic materials. • Analysis of critical fields and critical angles for precessional switching of magnetization. • Development of inverse problem approach to the design of magnetic field pulses for precessional switching of magnetization. • Study of magnetization dynamics induced by spin polarized current injection. • Construction of complete stability diagrams for spin polarized current induced magnetization dynamics. • Development of the averaging technique for the analysis of the slow time scale magnetization dynamics. • Study of thermal effects on magnetization dynamics by using the theory of stochastic processes on graphs.

• Research Organization: University of Maryland College Park
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: FG02-96ER14614
• OSTI ID: 889747
• Report Number(s): DOE/ER/14614-1; TRN: US200719%%458
• Country of Publication: United States
• Language: English

Related Subjects

99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
CONSTRUCTION
CRITICAL FIELD
DESIGN
HYSTERESIS
MAGNETIC FIELDS
MAGNETIC MATERIALS
MAGNETIZATION
MATHEMATICAL MODELS
SPIN
STABILITY
STOCHASTIC PROCESSES
STORAGE
TEMPERATURE DEPENDENCE
hysteresis nonlinear large scale magnetization dynamics magnetic data storage technology spintronics