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Dimensionality Effects in FeGe2 Nanowires: Enhanced Anisotropic Magnetization and Anomalous Electrical Transport.

Abstract：

:We report the synthesis of single-crystal iron germanium nanowires via chemical vapor deposition without the assistance of any catalysts. The assembly of single-crystal FeGe2 nanowires with tetragonal C16 crystal structure shows anisotropic magnetic behavior along the radial direction or the growth axial direction, with both antiferromagnetic and ferromagnetic orders. Single FeGe2 nanowire devices were fabricated using e-beam lithography. Electronic transport measurement in these devices show two resistivity anomalies near 250 K and 200 K which are likely signatures of the two spin density wave states in FeGe2.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Tang S,Kravchenko I,Ward TZ,Zou Q,Yi J,Ma C,Chi M,Cao G,Li AP,Mandrus D,Gai Z

doi

10.1038/s41598-017-05771-6

subject

Has Abstract

pub_date

2017-08-02 00:00:00

pages

7126

issue

1

issn

2045-2322

pii

10.1038/s41598-017-05771-6

journal_volume

7

pub_type

杂志文章

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