Heather Frase in front of reactor core and to the left of the HB3 triple axis spectrometer at the High Flux Isotope Reactor at the Oak Ridge National Laboratory.

Results were published in:
H. N. Frase, L. J. Nagel, J. L. Robertson, and B. Fultz, "Vibrational Density of States in Nanocrystalline Ni₃Fe", Philos. Mag. B 75 (1997) 335-347.
H. Frase, B. Fultz and J. L. Robertson, "Phonons in nanocrystalline Ni₃Fe", Phys. Rev. B 57 (1998) p. 898-905.
Heather Nicole Frase, "Vibrational and Magnetic Properties of Mechanically Attrited Ni₃Fe Nanocrystals", Ph.D. Thesis in Materials Science, California Institute of Technology, April 9, 1998.

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