Low-temperature hopping and absence of spin-dependent transport in single crystals of cobalt-doped ZnO

Variable-range-hopping conduction processes in oxygen deficient polycrystalline ZnO films

(2010) Yung-Lung Huang et al.   JOURNAL OF APPLIED PHYSICS

Advanced spectroscopic synchrotron techniques to unravel the intrinsic properties of dilute magnetic oxides: the case of Co:ZnO

(2010) A Ney et al.   NEW JOURNAL OF PHYSICS

Ferromagnetism in defect-ridden oxides and related materials

(2010) J M D Coey et al.   NEW JOURNAL OF PHYSICS

Anisotropic paramagnetism of Co-doped ZnO epitaxial films

(2010) A. Ney et al.   PHYSICAL REVIEW B

Magnetism of Co doped ZnO with Al codoping: Carrier-induced mechanisms versus extrinsic origins

(2010) A. Ney et al.   PHYSICAL REVIEW B

Enhanced spin injection and voltage bias in (Zn,Co)O/MgO/(Zn,Co)O magnetic tunnel junctions

(2009) G. Chen et al.   APPLIED PHYSICS LETTERS

Origin of large positive magnetoresistance in the hard-gap regime of epitaxial Co-doped ZnO ferromagnetic semiconductors

(2009) Y. F. Tian et al.   PHYSICAL REVIEW B

Absence of ferromagnetic-transport signatures in epitaxial paramagnetic and superparamagneticZn0.95Co0.05Ofilms

(2009) S. Ye et al.   PHYSICAL REVIEW B

Optical and electrical resistivity studies of isovalent and aliovalent3dtransition metal ion doped ZnO

(2009) Shubra Singh et al.   PHYSICAL REVIEW B

Implications and consequences of ferromagnetism universally exhibited by inorganic nanoparticles

(2009) A. Sundaresan et al.   SOLID STATE COMMUNICATIONS

Giant positive magnetoresistance in Co-doped ZnO nanocluster films

(2008) Y. F. Tian et al.   APPLIED PHYSICS LETTERS

Ferromagnetism and possible application in spintronics of transition-metal-doped ZnO films

(2008) F. Pan et al.   MATERIALS SCIENCE & ENGINEERING R-REPORTS

Lack of ferromagnetism inn-type cobalt-doped ZnO epitaxial thin films

(2008) T C Kaspar et al.   NEW JOURNAL OF PHYSICS

XMCD studies on Co and Li doped ZnO magnetic semiconductors

(2008) Thomas Tietze et al.   NEW JOURNAL OF PHYSICS

Absence of Intrinsic Ferromagnetic Interactions of Isolated and Paired Co Dopant Atoms inZn1−xCoxOwith High Structural Perfection

(2008) A. Ney et al.   PHYSICAL REVIEW LETTERS

Temperature dependence of conduction mechanism of ZnO and Co-doped ZnO thin films

(2007) Rajesh Kumar et al.   THIN SOLID FILMS