Hellsvik, J., Skubic, B., Nordström, L., Sanyal, B., Eriksson, O., Nordblad, P., ...
The dynamical behavior of the magnetism of diluted magnetic semiconductors (DMS) has been investigated by means of atomistic spin dynamics simulations. The conclusions drawn from the study are argued...
Bexell, Ulf, Stanciu, V., Warnicke, P., Östh, M., Svedlindh, P.
The influence of annealing time on an amorphous As cap layer and the depth distribution of Mn atoms have been investigated. The results show that a 1600 Å thick As cap layer is completely desorbed...
Annealing-induced changes of the magnetic anisotropy of (Ga,Mn)As epilayers (2005)
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 anisotropy is evidenced,...
Stanciu, V., Wilhelmsson, O., Bexell, U., Adell, M., Sadowski, J., Kanski, J., ...
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 transition...
Stanciu, V., Wilhelmsson, O., Bexell, Ulf, Adell, M., Sadowski, J., Kanski, J., ...
The influence of annealing parameters—temperature (Ta) and time (ta)—on the magnetic properties of As-capped (Ga,Mn)As epitaxial thin films has been investigated. The dependence of the transition...
Comment on "Mn Interstitial Diffusion in (Ga,Mn)As" (2004)
Adell, M., Kanski, J., Ilver, L., Stanciu, V., Svedlindh, P.
The magnetic and transport properties of (GaMn)As are known to be influenced by postgrowth annealing, and it is generally accepted that these modifications are due to outdiffusion of Mn...
Post-growth annealing of GaMnAs under As capping - an alternative way to increase Tc (2004)
Adell, M., Stanciu, V., Kanski, J., Ilver, L., Sadowski, J., Domagala, J. Z., ...
We demonstrate that in situ post-growth annealing of GaMnAs layers under As capping is adequate for achieving high Curie temperatures (Tc) in a similar way as ex situ annealing in air or in N2...
Hernandez, C., Terki, F., Charar, S., Sadowski, J., Maude, D., Stanciu, V., ...
Magnetotransport properties of GaMnAs single layers and InGaMnAs/InGaAs superlattice structures were investigated at temperatures from 4 K to 300 K and magnetic fields up to 23 T to study the...
Ferromagnetic GaMnAs/GaAs Superlattices - MBE Growth and Magnetic Properties (2003)
Sadowski, J., Mathieu, R., Svedlindh, P., Karlsteen, M., Kanski, J.
This paper presents the results of a study of the magnetic properties of Gallium Manganese Arsenide/Gallium Arsenide GaMnAs/GaAs) superlattices with magnetic GaMnAs layers of thickness between 8 and...
Sorensen, B., Sadowski, J., Mathieu, R., Svedlindh, P., Lindelof, P. E.
We report a clear correspondence between changes in the Curie temperature and carrier density upon annealing in epitaxially grown (Ga,Mn)As layers with thicknesses in the range between 5 nm and 20...
Magnetization of ultrathin (Ga,Mn)As layers (2002)
Mathieu, R., Sørensen, B. S., Sadowski, J., Södervall, U., Kanski, J., Svedlindh, P., ...
Kerr rotation and Superconducting QUantum Interference Device (SQUID) magnetometry measurements were performed on ultrathin (Ga$_{0.95}$Mn$_{0.05}$)As layers. The thinner layers (below 250 \AA)...
Magnetic Properties of Short Period InGaMnAs/InGaAs Superlattices (2002)
Sadowski, J., Mathieu, R., Svedlindh, P., Kanski, J., Karlsteen, M., Swiatek, K., ...
We have observed a paramagnetic-to-ferromagnetic phase transition in short period InGaMnAs/InGaAs superlattices. The thicknesses of magnetic InGaMnAs layers in the structures studied was chosen to be...
Ferromagnetism and interlayer exchange coupling in short period (Ga,Mn)As/GaAs superlattices (2002)
Mathieu, R., Svedlindh, P., Sadowski, J., Swiatek, K., Karlsteen, M., Kanski, J., ...
Magnetic properties of (Ga,Mn)As/GaAs superlattices are investigated. The structures contain magnetic (Ga,Mn)As layers, separated by thin layers of non-magnetic GaAs spacer. The short period...
Ferromagnetic GaMnAs/GaAs superlattices - MBE growth and magnetic properties (2002)
Sadowski, J., Mathieu, R., Svedlindh, P., Karlsteen, M., Kanski, J., Fu, Y., ...
We have studied the magnetic properties of (GaMnAs)(m)(GaAs)(n) superlattices with magnetic GaMnAs layers of thickness between eight and 16 molecular layers (ML) (23-45 Angstrom), and with...
Ferromagnetic GaMnAs/GaAs superlattices - MBE growth and magnetic properties (2001)
Sadowski, J., Mathieu, R., Svedlindh, P., Karlsteen, M., Kanski, J., Fu, Y., ...
We have studied the magnetic properties of (GaMnAs)m/(GaAs)n superlattices with magnetic GaMnAs layers of thickness between 8 and 16 molecular layers (ML) (23-45 \AA), and with nonmagnetic GaAs...
Magnetotransport in a bi-crystal film of La_0.7Sr_0.3MnO_3 (2001)
Mathieu, R., Svedlindh, P., Chakalov, R., Ivanov, Z. G.
Transport properties of an epitaxial film of La_0.7Sr_0.3MnO_3 (LSMO), deposited epitaxially on a LaAlO_3 bi-crystal substrate having a misorientation angle of 9.2 deg., have been studied. The film...
Jönsson, P. E., Felton, S., Svedlindh, P., Nordblad, P., Hansen, M. F.
The effect of applied magnetic fields on the collective nonequilibrium dynamics of a strongly interacting Fe-C nanoparticle system has been investigated. It is experimentally shown that the magnetic...
Sadowski, J., Mathieu, R., Svedlindh, P., Domagala, J. Z., Swiatek, K., ...
We have grown the ferromagnetic semiconductor GaMnAs containing up to 10% Mn by migration enhanced epitaxy at a substrate temperature of 150^oC. The alternate supply of As2 molecules and Ga and Mn...
Critical dynamics of an interacting magnetic nanoparticle system (2000)
Hansen, M. F., Jönsson, P., Nordblad, P., Svedlindh, P.
Effects of dipole-dipole interactions on the magnetic relaxation have been investigated for three Fe-C nanoparticle samples with volume concentrations of 0.06, 5 and 17 vol%. While both the 5 and 17...
Spin glass like transition in a highly concentrated Fe-C nanoparticle system (2000)
Jönsson, P., Svedlindh, P., Nordblad, P., Hansen, M. F.
A highly concentrated (17 vol.%) Fe-C nano-particle system, with a narrow size distribution $d = 5.4\pm 0.4$ nm, has been investigated using magnetic ac susceptibility measurements covering a wide...
Mathieu, R., Svedlindh, P., Chakalov, R. A., Ivanov, Z. G.
The low field magnetotransport of La$_{0.7}$Sr$_{0.3}$MnO$_3$ (LSMO) films grown on SrTiO$_3$ substrates has been investigated. A high qualtity LSMO film exhibits anisotropic magnetoresistance (AMR)...
Mathieu, R., Svedlindh, P., Nordblad, P.
Magnetic, electric and structural properties of La$_{0.96-y}$Nd$_y$K$_{0.04}$MnO$_{3+\delta}$ with 0$\leq y \leq$0.4 have been studied experimentally. A disordered magnetic state is formed as La is...
Nonlinear dynamic susceptibilities of interacting and noninteracting nanoparticle systems (1998)
Jönsson, P., Jonsson, T., García-Palacios, J. L., Svedlindh, P.
The linear and cubic dynamic susceptibilities of solid dispersions of nano-sized maghemite particles have been measured for three samples with a volume concentration of magnetic particles ranging...
Raman spectra, superconductivity and structure of Co-substituted Y1Ba2Cu3O6+d (1989)
Kakihana, M, Borjesson, L, Eriksson, S, Svedlindh, P, Norling, P
DYNAMIC SCALING IN A SHORT RANGE ISING SPIN GLASS (1988)
Nordblad, P., Lundgren, L., Svedlindh, P., Gunnarsson, K., Aruga, H., Ito, A.
Ac susceptibility data on the Ising spin glass Fe0.5Mn0.5TiO3 are analysed according to power law scaling and activated dynamic scaling. Both models are found to give a good scaling behaviour....
INFLUENCE OF THE AGING PROCESS ON THE MAGNETIC SPECIFIC HEAT IN A CuMn SPIN GLASS (1988)
Nordblad, P., Sandlund, L., Granberg, P., Svedlindh, P., Lundgren, L.
Specific heat measurements of a Cu(0.5at% Mn) spin glass are reported. It is found that the energy flow ƊE due to the aging process during three decades in time at most amounts to 0.05 % of the...
DYNAMIC SCALING IN A SHORT RANGE ISING SPIN GLASS (1988)
Nordblad, P., Lundgren, L., Svedlindh, P., Gunnarsson, K., Aruga, H., Ito, A.
Ac susceptibility data on the Ising spin glass Fe0.5Mn0.5TiO3 are analysed according to power law scaling and activated dynamic scaling. Both models are found to give a good scaling behaviour....
INFLUENCE OF THE AGING PROCESS ON THE MAGNETIC SPECIFIC HEAT IN A CuMn SPIN GLASS (1988)
Nordblad, P., Sandlund, L., Granberg, P., Svedlindh, P., Lundgren, L.
Specific heat measurements of a Cu(0.5at% Mn) spin glass are reported. It is found that the energy flow ƊE due to the aging process during three decades in time at most amounts to 0.05 % of the...
DYNAMIC SCALING IN A SHORT RANGE ISING SPIN GLASS (1988)
Nordblad, P., Lundgren, L., Svedlindh, P., Gunnarsson, K., Aruga, H., Ito, A.
Ac susceptibility data on the Ising spin glass Fe0.5Mn0.5TiO3 are analysed according to power law scaling and activated dynamic scaling. Both models are found to give a good scaling behaviour....
INFLUENCE OF THE AGING PROCESS ON THE MAGNETIC SPECIFIC HEAT IN A CuMn SPIN GLASS (1988)
Nordblad, P., Sandlund, L., Granberg, P., Svedlindh, P., Lundgren, L.
Specific heat measurements of a Cu(0.5at% Mn) spin glass are reported. It is found that the energy flow ƊE due to the aging process during three decades in time at most amounts to 0.05 % of the...
On the sharpness of the interfaces in metallic multilayers
Holmström, E., Nordström, L., Bergqvist, L., Skubic, B., Hjörvarsson, B., Abrikosov, I. A., ...
We show that the three most relevant magnetic properties (magnetic moment, critical temperature, and interlayer exchange coupling) of metallic multilayers can be reproduced with good accuracy by...
On the sharpness of the interfaces in metallic multilayers
Holmström, E., Nordström, L., Bergqvist, L., Skubic, B., Hjörvarsson, B., Abrikosov, I. A., ...
We show that the three most relevant magnetic properties (magnetic moment, critical temperature, and interlayer exchange coupling) of metallic multilayers can be reproduced with good accuracy by...