NIST
MAGNETIC MATERIALS GROUP
HIGHLIGHTS

• FIRST to prepare a Symmetric Spin Valve to Exceed 20% Giant Magnetoresistance (GMR).

• LEAD the WORLD in the preparation of Spin Valves with the HIGHEST GMR at the LOWEST Switching fields.

• EXTENDED the high temperature stability of Co/Cu/Co Spin Valves from 300ºC to 400ºC.

• DISCOVERED the ENHANCED MAGNETOCALORIC EFFECT in magnetic nanocomposites (Patented).

• DEVELOPED the MOIF magnetic domain imaging method for FERROMAGNETS and SUPERCONDUCTORS.

• INVENTED domain wall TRAPS for low-field switching of small magnetic elements.

• FIRST to show that the remagnetization behavior can DIFFER for different sides of the hysteresis loop in EXCHANGE-BIASED films.

• FIRST observation of magnetic domain behavior in magnetic EXCHANGE SPRINGS.

• FIRST detection of magnetic "AFTER EFFECTS" in Nanocrystalline Fe.

• PREPARED the first magnetic nanocomposites by FLAME synthesis, and also by INERT GAS condensation.

• SYNTHESIZED the first magnetic DENDRIMER.

• DESIGNED and CONSTRUCTED an ABSOLUTE magnetic moment magnetometer.

• PREPARED Ni-sphere and Ni-disc magnetic Standard Reference Materials.

• PATENT awarded for Fe+silica gel nanocomposites.

• SHOWED micromagnetic calculations need STANDARD PROBLEMS for calibration.

• ORGANIZED international µMag working group on Micromagnetics.

• HELPED DRAFT President Clinton's FY2001 NATIONAL NANOTECHNOLOGY INITIATIVE (NNI).