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Showing 2006 · cond-mat.mtrl-sciShow all

36 papers · 2 filters

cond-mat.mtrl-sci2006★ 98 cited

First-principles prediction of high Curie temperature for ferromagnetic bcc-Co and bcc-FeCo alloys and its relevance to tunneling magnetoresistance

Marjana Lezaic, Phivos Mavropoulos, Stefan Blügel

We determine from first-principles the Curie temperature Tc for bulk Co in the hcp, fcc, bcc, and tetragonalized bct phases, for FeCo alloys, and for bcc and bct Fe. For bcc-Co, Tc…

cond-mat.mtrl-sci2006

Domain structures and superdislocations of La0.7Ca0.3MnO3 thin films grown on SrTiO3 substrates

Yong Ding, Jiaqing He

The domain structures and dislocations in epitaxial thin films of La0.7Ca0.3MnO3 grown on SrTiO3 substrates by pulsed laser deposition were investigated using Bragg-contrast diffra…

cond-mat.mtrl-sci2006★ 95 cited

Influence of mixing the low-valent transition metal atoms (Y,Y=Cr,Mn,Fe) on the properties of the quaternary Co[YY]Z (Z=Al,Ga,Si,Ge,Sn) Heusler compounds

K. Ozdogan, B. Aktas, I. Galanakis +1

We complement our study on the doping and disorder in CoMnZ compounds [I. Galanakis \textit{et al.}, Appl. Phys. Lett. \textbf{89}, 042502 (2006) and K. Özdogan \textit{et al.}…

cond-mat.mtrl-sci2006★ 10 cited

Large inverse tunneling magnetoresistance in CoCrFeAl/MgO/CoFe magnetic tunnel junctions

A. D. Rata, H. Braak, D. E. Buergler +1

Magnetic tunnel junctions with the layer sequence CoCrFeAl/MgO/CoFe were fabricated by magnetron sputtering at room temperature (RT). The samples exhibit a larg…

cond-mat.mtrl-sci2006★ 53 cited

GaN and InN nanowires grown by MBE: a comparison

Raffaella Calarco, Michel Marso

Morphological, optical and transport properties of GaN and InN nanowires grown by molecular beam epitaxy (MBE) have been studied. The differences between the two materials in respe…

cond-mat.mtrl-sci2006★ 61 cited

Quasiparticle Corrections to the Electronic Properties of Anion Vacancies at GaAs(110) and InP(110)

Magnus Hedström, Arno Schindlmayr, Günther Schwarz +1

We propose a new method for calculating optical defect levels and thermodynamic charge-transition levels of point defects in semiconductors, which includes quasiparticle correction…