The exhaustive list of topics in Physics of Magnetic Recording and Recording Media in which we provide Help with Homework Assignment and Help with Project is as follows:
- Types of magnetic anisotropy energies; Magnetic anisotropy and Magnetostriction;
- Soft and hard magnetic materials; Stoner-Wohlfarth theory
- Magnetoelectronics: Electronic structure of normal metals; ferromagnetic metals and Half-metals.
- Spin-dependent transport; Spin polarization.
- Recording and Play Back Theories: Recording model approach; Media magnetization;
- Setting recording level; Erasure and overwrite;
- Recording zone; Recording losses; Flux level;
- Play back loss; Spacing loss; Coating thickness loss; Response to a transition.
- Aspects of Magnetic Recording Head: Magnetic circuits; Eddy current loss;
- Selection of core materials;
- Magnetoresistance; Giant Magnetoresistance (GMR) Heads; Tunneling Magnetoresistance (TMR) heads;
- Spin Valves;
- Field from Magnetic Heads; High-gradient heads;
- Perpendicular head fields; Response of probe heads;
- Shielding; Flux linkage; Flux leakage.
- Advances in Recording Technology and Materials: Particulate media; Thin magnetic films;
- Patterning media; Flexible media substrates, Rigid disk substrates;
- Properties: Magnetic hysteresis loop, Coercivity, Remnant Flux, Slope at Coercivity, Switching Field Distribution, Effects of Time, Temperature; Storage stability; Measurement of spin polarization.
- Recording of a single transition, Narrow-track recording, Shortgap recording
- Perpendicular recording, Ultrahigh density recording, Future projection on recording; futuristic devices based on magnetoelectronics.