Quantum-well-induced ferromagnetism in thin films

Quantum-well-induced ferromagnetism in thin films

Quantum-well-driven magnetism in thin films.

Ion-irradiation-induced ferromagnetism in undoped ZnO thin films

We have introduced defects in ZnO epitaxial thin films by swift heavy Ag ion irradiation and investigated systematically their magnetic, electrical and optical properties. Oxygen annealed ZnO films are epitaxial single crystals that exhibit no long-range magnetic order. However, in this paper it is shown that room-temperature ferromagnetism (RTFM) can be introduced in a controlled manner in the...

Strain-induced ferromagnetism in antiferromagnetic LuMnO3 thin films.

Single phase and strained LuMnO(3) thin films are discovered to display coexisting ferromagnetic and antiferromagnetic orders. A large moment ferromagnetism (≈1μ(B)), which is absent in bulk samples, is shown to display a magnetic moment distribution that is peaked at the highly strained substrate-film interface. We further show that the strain-induced ferromagnetism and the antiferromagnetic o...

Ferromagnetism in inhomogeneous Zn1−xCoxO thin films

We report on a systematic study of structural, optical, electrical, and magnetic properties of Zn1−xCoxO x=0.05–0.29 thin films codoped with Al 0.1% . Both codoped in which Co is cosputtered with other elements and -doped in which Co is doped digitally in the host matrix samples have been prepared and studied. Prior to doping of Co, growth conditions were optimized to produce ZnO:Al films with ...