J.R. Kirtley, Z. Schlesinger, et al.
Physical Review B
A direct probe of superparamagnetism was used to determine the complete anisotropy energy distribution of Co nanoparticle films. The films were composed of self-assembled lattices of uniform Co nanoparticles of 3 or 5 nm in diameter, and a variable temperature scanning-SQUID microscope was used to measure temperature-induced spontaneous magnetic noise in the samples. Accurate measurements of anisotropy energy distributions of small volume samples will be critical to magnetic optimization of nanoparticle devices and media. © 2001 American Physical Society.
J.R. Kirtley, Z. Schlesinger, et al.
Physical Review B
Vikram Joshi, Guanxiong Li, et al.
IEEE Transactions on Magnetics
Shouheng Sun, Hao Zeng
JACS
A.P. Fein, J.R. Kirtley, et al.
Physical Review B