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Aging and annealing effects on the magnetic ordering induced by proton irradiation in graphite
Aging and annealing effects on the topography and the magnetic ordering induced by proton irradiation in highly oriented graphite samples have been studied with atomic force and magnetic force (MFM) microscopy....
PublicationsForming-Free Unipolar Resistive Switching in BiFe0.95Co0.05O3 Films
We report the forming-free unipolar resistive switching effects in polycrystalline BiFe0.95Co0.05O3 films which were spin-coated on ITO/glass substrates by a chemical solution deposition method. The resistive...
PublicationsTailoring the magnetism of GaMnAs films by ion irradiation (vol 44, 045001, 2011)
Ion irradiation of semiconductors is a well-understood method to tune the carrier concentration in a controlled manner. We show that the ferromagnetism in GaMnAs films, known to be hole-mediated, can be...
PublicationsMulti-level switching in TiOxFy film with nanoparticles
A reliable bipolar resistive switching device was achieved with multi-level switching behavior in fluorine-doped titanium oxide (TiOxFy) film. Different resistance states can be precisely controlled by...
PublicationsEpitaxial growth of SrTiO3 (0 0 1) films on multilayer buffered GaN (0 0 0 2) by pulsed laser deposition
SrTiO3 films were grown on CeO2/YSZ/TiO2 multilayer buffered GaN/Al2O3 (0 0 0 1) substrates with and without the YBa2Cu3O7−x (YBCO) bridge layer by pulsed laser deposition (PLD). The deposition process...
PublicationsTailoring the magnetism of GaMnAs films by ion irradiation
Ion irradiation of semiconductors is a well-understood method to tune the carrier concentration in a controlled manner. We show that the ferromagnetism in GaMnAs films, known to be hole-mediated, can be...
PublicationsSpin polarization in Zn0.95 Co0.05O:(Al,Cu) thin films
ZnCoO : Al, ZnCoO : (Al,Cu), and reference samples without Co have been grown by pulsed laser deposition to investigate the influence of Co-dopants and Cu-codopants on the magneto transport properties...
PublicationsRoom temperature ferromagnetism in Nd- and Mn-codoped ZnO films
Nd and Mn were codoped into ZnO films which have been grown on a-plane sapphire substrates by pulsed laser deposition with the thickness ranging between 46 and 971 nm. The room temperature resistivity...
PublicationsParamagnetism in Co-doped ZnO films
Co-doped ZnO films with various electron concentrations up to 4.61 × 1019 cm−3 at room temperature were prepared by pulsed laser deposition on a-plane sapphire substrates. Only paramagnetism was observed...
PublicationsFerroelectric and flexible barrier resistive switching of epitaxial BiFeO3 films studied by temperature-dependent current and capacitance spectroscopy
The resistive switching of epitaxial ferroelectric BiFeO3 thin films was investigated by the combined current and capacitance spectroscopy, in addition with the piezoresponse force microscopy and conducting...
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