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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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Showing 2005 · cond-mat.mtrl-sciShow all

11 papers · 2 filters

cond-mat.mtrl-sci2005

Magnetic interactions of supported magnetic clusters

Anders Bergman, Lars Nordstrom, Angela Burlamaqui Klautau +2

It is demonstrated that the magnetic interactions can be drastically different for nano-sized systems compared to those of bulk or surfaces. Using a real-space formalism we have de…

cond-mat.mtrl-sci2005★ 59 cited

Non-equilibrium Magnetic Properties of Single Crystalline La0.7Ca0.3CoO3

Asish K. Kundu, P. Nordblad, C. N. R. Rao

Magnetic and electric properties of a single crystal of La0.7Ca0.3CoO3 have been experimentally studied. The system attains a ferromagnetic spontaneous moment below 170 K and exhib…

cond-mat.mtrl-sci2005★ 26 cited

Current driven magnetization dynamics in helical spin density waves

Ola Wessely, Bjorn Skubic, Lars Nordstrom

A mechanism is proposed for manipulating the magnetic state of a helical spin density wave using a current. In this paper, we show that a current through a bulk system with a helic…

cond-mat.mtrl-sci2005★ 213 cited

Organometallic Benzene-Vanadium Wire: One-Dimensional Half-Metallic Ferromagnet

Volodymyr V. Maslyuk, Alexei Bagrets, Thomas Bredow +1

Using density functional theory we have performed theoretical investigations of the electronic properties of a free-standing one-dimensional organometallic vanadium-benzene wire. T…

cond-mat.mtrl-sci2005★ 94 cited

Ionization by Impact Electrons in Solids: Electron Mean Free Path Fitted Over a Wide Energy Range

B. Ziaja, R. A. London, J. Hajdu

We propose a simple formula for fitting the electron mean free paths in solids both at high and at low electron energies. The free-electron-gas approximation used for predicting el…

cond-mat.mtrl-sci2005★ 13 cited

Annealing-induced changes of the magnetic anisotropy of (Ga,Mn)As epilayers

V. Stanciu, P. Svedlindh

The dependence of the magnetic anisotropy of As-capped (Ga,Mn)As epilayers on the annealing parameters - temperature and time - has been investigated. A uniaxial magnetic anisotrop…

cond-mat.mtrl-sci2005★ 20 cited

Influence of annealing parameters on the ferromagnetic properties of optimally passivated (Ga,Mn)As epilayers

V. Stanciu, O. Wilhelmsson, U. Bexell +5

The influence of annealing parameters - temperature and time - on the magnetic properties of As-capped (Ga,Mn)As epitaxial thin films have been investigated. The dependence of the…

cond-mat.mtrl-sci2005★ 14 cited

Least action principle for envelope functions in abrupt heterostructures

A. V. Rodina, A. Yu. Alekseev

We apply the envelope function approach to abrupt heterostructures starting with the least action principle for the microscopic wave function. The interface is treated nonperturbat…

cond-mat.mtrl-sci2005★ 426 cited

Huge excitonic effects in layered hexagonal boron nitride

B. Arnaud, S. Lebègue, P. Rabiller +1

The calculated quasiparticle band structure of bulk hexagonal boron nitride using the all-electron GW approximation shows that this compound is an indirect-band-gap semiconductor.…

cond-mat.mtrl-sci2005★ 10 cited

Analogy between dielectric relaxation and dielectric mixtures: Application of the spectral density representation

Enis Tuncer

The spectral representation is an effecient tool to explore electrical properties of material mixtures. It separates the contributions of geometrical topology and intrinsic propert…

cond-mat.mtrl-sci2005★ 79 cited

An ab initio effective Hamiltonian for magnetism including longitudinal spin fluctuations

S. Shallcross, A. E. Kissavos, V. Meded +1

We discuss the use of the magnetic force theorem (MFT) using different reference states upon which the perturbative approach is based. Using a disordered local moment (DLM) state o…