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FMR thermomagnetic studies up to 900 C of lunar soils and potential magnetic analoguesUsing a recently developed furnace, ferromagnetic resonance (FMR) thermomagnetic studies up to 900 C were employed to measure the Curie points of the superparamagnetic (SP) and single domain (SD) particles in lunar soils and potential magnetic analogue materials. Based on measured Curie points of 775 C, the SP and SD particles in lunar soils 10084-853, 12070-29, 14161-46, and 67010-4 are essentially pure metallic Fe. Synthetic and terrestrial samples containing magnetite, titanomaghemites, and magnetite-like particles have measured Curie points below 600 C are thus not magnetic analogues of lunar soils.
Document ID
19760027868
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Morris, R. V.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Gibbons, R. V.
(NASA Lyndon B. Johnson Space Center Houston, TX, United States)
Hoerz, F.
(NASA Johnson Space Center Houston, Tex., United States)
Date Acquired
August 8, 2013
Publication Date
October 1, 1975
Publication Information
Publication: Geophysical Research Letters
Volume: 2
Subject Category
Lunar And Planetary Exploration
Accession Number
76A10834
Distribution Limits
Public
Copyright
Other

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