Spinodal nanodecomposition in semiconductors doped with transition metals

T Dietl, K Sato, T Fukushima, A Bonanni, M Jamet… - Reviews of Modern …, 2015 - APS
This review presents the recent progress in computational materials design, experimental
realization, and control methods of spinodal nanodecomposition under three-and two …

Electromotive force and huge magnetoresistance in magnetic tunnel junctions

PN Hai, S Ohya, M Tanaka, SE Barnes, S Maekawa - Nature, 2009 - nature.com
The electromotive force (emf) predicted by Faraday's law reflects the forces acting on the
charge,–e, of an electron moving through a device or circuit, and is proportional to the time …

Transport properties of hybrids with ferromagnetic MnAs nanoclusters and their potential for new magnetoelectronic devices

MT Elm, S Hara - Advanced Materials, 2014 - Wiley Online Library
Granular hybrid structures containing ferromagnetic nanoclusters embedded in a
semiconducting matrix are an interesting class of materials as their properties can be tuned …

Manganese pnictides MnP, MnAs, and MnSb are ferromagnetic semimetals: preparation, structure, and properties (a survey)

SF Marenkin, AV Kochura, AD Izotov… - Russian Journal of …, 2018 - Springer
Abstract Manganese pnictides MnP, MnAs, and MnSb are ferromagnetic semimetals and
have some unique properties, namely, high Curie points, considerable magnetic anisotropy …

Long spin-relaxation time in a single metal nanoparticle

PN Hai, S Ohya, M Tanaka - Nature nanotechnology, 2010 - nature.com
Spin-relaxation time is key to the performance of spin-based devices,. Although the spin-
relaxation times of semiconductor materials are typically∼ 100 ns (ref.), they are on the …

Enhanced ferromagnetism in cylindrically confined MnAs nanocrystals embedded in wurtzite GaAs nanowire shells

A Kaleta, S Kret, K Gas, B Kurowska, SB Kryvyi… - Nano Letters, 2019 - ACS Publications
Nearly a 30% increase in the ferromagnetic phase transition temperature has been
achieved in strained MnAs nanocrystals embedded in a wurtzite GaAs matrix. Wurtzite GaAs …

Determining magnetic nanoparticle size distributions from thermomagnetic measurements

RS DiPietro, HG Johnson, SP Bennett… - Applied Physics …, 2010 - pubs.aip.org
Thermomagnetic measurements are used to obtain the size distribution and anisotropy of
magnetic nanoparticles. An analytical transformation method is described which utilizes …

Discrete, dispersible mnas nanocrystals from solution methods: phase control on the nanoscale and magnetic consequences

K Senevirathne, R Tackett, PR Kharel, G Lawes… - ACS …, 2009 - ACS Publications
Nanocrystals of thermodynamically stable α-MnAs (hexagonal NiAs-type) and metastable β-
MnAs (orthorhombic MnP-type) have been synthesized by the reaction of triphenylarsine …

Physicochemical foundations of synthesis of new ferromagnets from chalcopyrites AIIBIVC 2 V

VM Novotortsev, SF Marenkin, IV Fedorchenko… - Russian journal of …, 2010 - Springer
The results of studying phase equilibria of ternary A II B IV CV systems have been reported.
Physicochemical foundations have been developed for the synthesis of new ferromagnets …

Formation process and superparamagnetic properties of (Mn, Ga) As nanocrystals in GaAs fabricated by annealing of (Ga, Mn) As layers with low Mn content

J Sadowski, JZ Domagala, R Mathieu, A Kovács… - Physical Review B …, 2011 - APS
X-ray diffraction, transmission electron microscopy, and magnetization measurements are
employed to study the structural and magnetic properties of Mn-rich (Mn, Ga) As …