Rare region effects at classical, quantum and nonequilibrium phase transitions

T Vojta - Journal of Physics A: Mathematical and General, 2006 - iopscience.iop.org
Rare regions, ie, rare large spatial disorder fluctuations, can dramatically change the
properties of a phase transition in a quenched disordered system. In generic classical …

High-Curie-temperature ferromagnetism in self-organized Ge1−xMnx nanocolumns

M Jamet, A Barski, T Devillers, V Poydenot… - Nature materials, 2006 - nature.com
The emerging field of spintronics would be dramatically boosted if room-temperature
ferromagnetism could be added to semiconductor nanostructures that are compatible with …

Robust ferromagnetism in wafer-scale monolayer and multilayer Fe3GeTe2

R Roemer, C Liu, K Zou - npj 2D Materials and Applications, 2020 - nature.com
Monolayer iron germanium telluride Fe3GeTe2, one of the typical two-dimensional
ferromagnetic materials, hitherto, has only been studied by exfoliated micron-sized samples …

Non-Griffiths-like clustered phase above the Curie temperature of the doped perovskite cobaltite

C He, MA Torija, J Wu, JW Lynn, H Zheng… - Physical Review B …, 2007 - APS
The existence of preformed clusters above the Curie temperature of the doped perovskite
manganites is well established and, in many cases, conforms to the expectations for a …

Spin MOSFETs as a basis for spintronics

S Sugahara, M Tanaka - ACM Transactions on Storage (TOS), 2006 - dl.acm.org
This article reviews a recently proposed new class of spin transistors referred to as spin
metal-oxide-semiconductor field-effect transistors (spin MOSFETs), and their integrated …

Magnetism in semiconductors mediated by impurity band carriers

AP Li, JF Wendelken, J Shen, LC Feldman… - Physical Review B …, 2005 - APS
We present a comprehensive study of ferromagnetism and magnetotransport in Mn-doped
germanium, grown with molecular-beam epitaxy. Ferromagnetism in Mn x Ge 1− x (0< x< …

Structural and magnetic properties of Mn5Ge3 clusters in a dilute magnetic germanium matrix

C Bihler, C Jaeger, T Vallaitis, M Gjukic… - Applied Physics …, 2006 - pubs.aip.org
We have characterized the structural and magnetic properties of low-temperature molecular-
beam epitaxy grown Ge: Mn by means of high-resolution transmission electron microscopy …

Structure and magnetism of self-organized nanocolumns on

T Devillers, M Jamet, A Barski, V Poydenot… - Physical Review B …, 2007 - APS
We report on the structural and magnetic properties of thin Ge 1− x Mn x films grown by
molecular beam epitaxy (MBE) on Ge (001) substrates at temperatures (T g) ranging from 80 …

Paramagnetic spin pum**

Y Shiomi, E Saitoh - Physical review letters, 2014 - APS
We have demonstrated spin pum** from a paramagnetic state of an insulator La 2 NiMnO
6 into a Pt film. Single-crystalline films of La 2 NiMnO 6 which exhibit a ferromagnetic order …

Epitaxial growth of Mn5Ge3/Ge (111) heterostructures for spin injection

S Olive-Mendez, A Spiesser, LA Michez, V Le Thanh… - Thin Solid Films, 2008 - Elsevier
Epitaxial Mn5Ge3/Ge (111) heterostructures were grown by Solid Phase Epitaxy (SPE)
method, which consists of a room temperature Mn deposition followed by thermal annealing …