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Estimating the Hubbard repulsion sufficient for the onset of nearly-flat-band ferromagnetism
Hubbard repulsion sufficient onset of nearly-flat-band ferromagnetism
2011/3/2
We consider nearly-flat-band Hubbard models of a ferromagnet, that is the models that are weak perturbations of those flat-band Hubbard models whose ground state is ferromagnetic for any nonzero stren...
Interplay of antiferromagnetism, ferromagnetism and superconductivity in EuFe_2(As_1-xP_x)_2 single crystals
Interplay of antiferromagnetism ferromagnetism superconductivity
2010/11/24
We report a systematic study on the influence of antiferromagnetic and ferromagnetic phases of
Eu2+ moments on the superconducting phase upon doping the As site by isovalent P, which acts as
chemica...
Ferromagnetism in Dilute Magnetic Semiconductors
Ferromagnetism Dilute Magnetic Semiconductors
2010/11/23
Ferromagnetism in Dilute Magnetic Semiconductors.
5. Competing Interactions and Suppression of Ferromagnetism on La site Substitution in La0.65A0.35Mn0.95Fe0.05O3 Compounds
Competing Interactions Suppression of Ferromagnetism
2010/11/19
We have studied the effect of metastable, irreversibility induced by repeated thermal cycles on the electric transport and magnetization of polycrystalline samples of La1-xCaxMnO3 (0.48≤x≤0.55) close ...
The competition between superconductivity and ferromagnetism in small metallic grains: thermodynamic properties
The competition between superconductivity ferromagnetism small metallic grains thermodynamic properties
2011/1/10
We study the thermodynamic properties of a small superconducting metallic grain using a quantum Monte Carlo method.
Ferromagnetism in an Itinerant Electron Cluster
metallic ferromagnetism strongly-correlated electron systems exact solution
2007/8/15
2005Vol.44No.1pp.188-192DOI:
Ferromagnetism in an Itinerant Electron Cluster
LI Gang and TIAN Guang-Shan
School of Physics, Peking University, Beijing 100871, China
...
N-doping-related room temperature ferromagnetism of electrodeposited ZnCoO films
Ferromagnetism ZnO Co-doping Plasma treatment
2011/12/15
A series of Co-doped ZnO films were fabricated by an electrodeposition method. The X-ray diffraction results and absorption spectra show Co ions have been doped successfully into the ZnO crystal latti...