Magnetic behavior of clusters of ferromagnetic transition metals

Publication: Research - peer-reviewJournal article – Annual report year: 1991

Standard

Magnetic behavior of clusters of ferromagnetic transition metals. / Khanna, S. N.; Linderoth, Søren.

In: Physical Review Letters, Vol. 67, No. 6, 1991, p. 742-745.

Publication: Research - peer-reviewJournal article – Annual report year: 1991

Harvard

APA

CBE

MLA

Vancouver

Author

Khanna, S. N.; Linderoth, Søren / Magnetic behavior of clusters of ferromagnetic transition metals.

In: Physical Review Letters, Vol. 67, No. 6, 1991, p. 742-745.

Publication: Research - peer-reviewJournal article – Annual report year: 1991

Bibtex

@article{00f4a044dad043848a31c0f7a5e47de4,
title = "Magnetic behavior of clusters of ferromagnetic transition metals",
publisher = "American Physical Society",
author = "Khanna, {S. N.} and Søren Linderoth",
note = "Copyright (1991) by the American Physical Society.",
year = "1991",
doi = "10.1103/PhysRevLett.67.742",
volume = "67",
number = "6",
pages = "742--745",
journal = "Physical Review Letters",
issn = "0031-9007",

}

RIS

TY - JOUR

T1 - Magnetic behavior of clusters of ferromagnetic transition metals

A1 - Khanna,S. N.

A1 - Linderoth,Søren

AU - Khanna,S. N.

AU - Linderoth,Søren

PB - American Physical Society

PY - 1991

Y1 - 1991

N2 - The effective magnetic moments of small iron and cobalt clusters have been calculated by assuming that the clusters undergo superparamagnetic relaxation. The effective moments per atom are found to be much below the bulk values, even at low temperatures (100 K). They increase with particle size and the applied magnetic field, and are in good agreement with recent beam experiments on FeN and CoN clusters. We also provide the first realistic estimates of the true magnetic moments in small CoN clusters. The present studies cast doubt on the recent theoretical interpretation of the observed reduced magnetic moments in small clusters compared to bulk as being due to melting of surface spins.

AB - The effective magnetic moments of small iron and cobalt clusters have been calculated by assuming that the clusters undergo superparamagnetic relaxation. The effective moments per atom are found to be much below the bulk values, even at low temperatures (100 K). They increase with particle size and the applied magnetic field, and are in good agreement with recent beam experiments on FeN and CoN clusters. We also provide the first realistic estimates of the true magnetic moments in small CoN clusters. The present studies cast doubt on the recent theoretical interpretation of the observed reduced magnetic moments in small clusters compared to bulk as being due to melting of surface spins.

UR - http://link.aps.org/doi/10.1103/PhysRevLett.67.742

U2 - 10.1103/PhysRevLett.67.742

DO - 10.1103/PhysRevLett.67.742

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 6

VL - 67

SP - 742

EP - 745

ER -