Nitrogen Chemisorption on alpha-Fe Nanoparticles studied by In situ Mossbauer Sepctroscopy

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Abstract

Carbon-supported metallic iron nanoparticles with an average diameter of 2.3 nm were studied by in situ Mossbauer spectroscopy at temperatures down to 5 K and with applied magnetic field up to 4 T. Nitrogen chemisorption at 300, 600 and 700 K on the iron particles was found only to affect the iron atoms in the surface layers, resulting in surface iron atoms bonded to nitrogen in a number of different types of environments.
Original languageEnglish
JournalThe European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics
Volume40
Issue number1-4
Pages (from-to)152-154
ISSN1434-6060
Publication statusPublished - 1997

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