STTR Phase I: Novel Nanocoated Ferromagnetic Materials

Period of Performance: 01/01/2003 - 12/31/2003


Phase 1 STTR

Recipient Firm

ALD Nanosolutions, Inc.
580 Burbank St., Unit 100
Broomfield, CO 80020
Principal Investigator

Research Institution

University of Colorado Boulder
572 UCB
Boulder, CO 80309


This Small Business Technology Transfer Phase I project will apply novel Atomic Layer Deposition (ALD) technology for the encapsulating of ultrafine particle surfaces used in certain advanced materials for aerospace applications and drug delivery. Ultrafine sized iron particles will be nanocoated with alumina providing film thicknesses of 50, 25, 12.5, 6.3, 3.2, 1.6, and 0.8 nanometers. The particle nanocoating will be carried out in a fluidized bed process developed at the University of Colorado. The produced particles will be characterized for film thickness, particle size distribution, surface area, and film coverage uniformity. They will be evaluated for coercivity, remanent magnetization, hysteresis loss, and oxidation resistance. Nanocoated iron particle filled epoxy composites will be fabricated and tested for electromagnetic transmission/reflection.