Reference : Phase-coherent transport in InN nanowires of various sizes

	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/20220

Title :	Phase-coherent transport in InN nanowires of various sizes
Language :	English
Author, co-author :	Blömers, Ch [Institute for Bio- and Nanosystems (IBN-1) and JARA Jülich-Aachen Research Alliance, Research Centre Jülich GmbH, 52425 Jülich, Germany]
	Schäpers, T. [Institute for Bio- and Nanosystems (IBN-1) and JARA Jülich-Aachen Research Alliance, and Virtual Institute of Spinelectronics (VISel), Research Centre Jülich GmbH, 52425 Jülich, Germany]
	Richter, T. [Institute for Bio- and Nanosystems (IBN-1) and JARA Jülich-Aachen Research Alliance, Research Centre Jülich GmbH, 52425 Jülich, Germany]
	Calarco, Raffaella [Institute for Bio- and Nanosystems (IBN-1) and JARA Jülich-Aachen Research Alliance, Research Centre Jülich GmbH, 52425 Jülich, Germany]
	Lüth, H. [Institute for Bio- and Nanosystems (IBN-1) and JARA Jülich-Aachen Research Alliance, Research Centre Jülich GmbH, 52425 Jülich, Germany]
	Marso, Michel [Institute for Bio- and Nanosystems (IBN-1) and JARA Jülich-Aachen Research Alliance, Research Centre Jülich GmbH, 52425 Jülich, Germany]
Publication date :	2008
Journal title :	Physical Review
Publisher :	Cornell University
Volume :	B 77
Issue/season :	20
Peer reviewed :	Yes
ISSN :	0031-899X
Abstract :	[en] We investigate phase-coherent transport in InN nanowires of various diameters and lengths. The nanowires were grown by means of plasma-assisted molecular beam epitaxy. Information on the phase-coherent transport is gained by analyzing the characteristic fluctuation pattern in the magnetoconductance. For a magnetic field oriented parallel to the wire axis, we found that the correlation field mainly depends on the wire cross section, while the fluctuation amplitude is governed by the wire length. In contrast, if the magnetic field is perpendicularly oriented, for wires longer than approximately 200 nm, the correlation field is limited by the phase coherence length. Further insight into the orientation dependence of the correlation field is gained by measuring the conductance fluctuations at various tilt angles of the magnetic field.
Permalink :	http://hdl.handle.net/10993/20220
DOI :	10.1103/PhysRevB.77.201301

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