Magnetic measurements on stable Fe(0) microclusters. Part 2 - A Mößbauer spectroscopic study

F. Schmidt; A. Quazi; A. X. Trautwein; G. Doppler; H. M. Ziethen

doi:10.1007/BF01384820

Magnetic measurements on stable Fe(0) microclusters. Part 2 - A Mößbauer spectroscopic study

F. Schmidt^*, A. Quazi, A. X. Trautwein, G. Doppler, H. M. Ziethen

^*Corresponding author for this work

University of Hamburg

6 Citations (Scopus)

Abstract

Zero valent iron microclusters were stabilized inside the pore structure of A-type zeolites. The cage diameter of the matrix was 1.1 nm. Mößbauer spectra show superparamagnetic behaviour down to at least 77 K. Below 10 K, slow relaxation of most of the superparamagnetic moments was observed. Information on the magnetic properties was obtained from the Mößbauer spectra below 4.2 K and from measurements in an external magnetic field applied parallel to the gamma beam. Evidence has been found for both bulk-like and non-crystalline iron clusters.

Original language	English
Journal	Zeitschrift für Physik D Atoms, Molecules and Clusters
Volume	3
Issue number	2
Pages (from-to)	303-308
Number of pages	6
ISSN	0178-7683
DOIs	https://doi.org/10.1007/BF01384820
Publication status	Published - 01.06.1986

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abstract = "Zero valent iron microclusters were stabilized inside the pore structure of A-type zeolites. The cage diameter of the matrix was 1.1 nm. M{\"o}{\ss}bauer spectra show superparamagnetic behaviour down to at least 77 K. Below 10 K, slow relaxation of most of the superparamagnetic moments was observed. Information on the magnetic properties was obtained from the M{\"o}{\ss}bauer spectra below 4.2 K and from measurements in an external magnetic field applied parallel to the gamma beam. Evidence has been found for both bulk-like and non-crystalline iron clusters.",

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AU - Schmidt, F.

AU - Quazi, A.

AU - Trautwein, A. X.

AU - Doppler, G.

AU - Ziethen, H. M.

PY - 1986/6/1

Y1 - 1986/6/1

N2 - Zero valent iron microclusters were stabilized inside the pore structure of A-type zeolites. The cage diameter of the matrix was 1.1 nm. Mößbauer spectra show superparamagnetic behaviour down to at least 77 K. Below 10 K, slow relaxation of most of the superparamagnetic moments was observed. Information on the magnetic properties was obtained from the Mößbauer spectra below 4.2 K and from measurements in an external magnetic field applied parallel to the gamma beam. Evidence has been found for both bulk-like and non-crystalline iron clusters.

AB - Zero valent iron microclusters were stabilized inside the pore structure of A-type zeolites. The cage diameter of the matrix was 1.1 nm. Mößbauer spectra show superparamagnetic behaviour down to at least 77 K. Below 10 K, slow relaxation of most of the superparamagnetic moments was observed. Information on the magnetic properties was obtained from the Mößbauer spectra below 4.2 K and from measurements in an external magnetic field applied parallel to the gamma beam. Evidence has been found for both bulk-like and non-crystalline iron clusters.

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Magnetic measurements on stable Fe(0) microclusters. Part 2 - A Mößbauer spectroscopic study

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