Magnetization study of nanograined pure and Mn-doped ZnO films: Formation of a ferromagnetic grain-boundary foam

BB Straumal, AA Mazilkin, SG Protasova… - Physical Review B …, 2009 - APS
In order to elucidate room-temperature (RT) ferromagnetism (FM) in ZnO, we have analyzed
a multitude of experimental publications with respect to the ratio of grain-boundary (GB) area …

Density functional theory and beyond for band-gap screening: performance for transition-metal oxides and dichalcogenides

W Li, CFJ Walther, A Kuc, T Heine - Journal of chemical theory …, 2013 - ACS Publications
The performance of a wide variety of commonly used density functionals, as well as two
screened hybrid functionals (HSE06 and TB-mBJ), on predicting electronic structures of a …

Increase of Co solubility with decreasing grain size in ZnO

BB Straumal, AA Mazilkin, SG Protasova, AA Myatiev… - Acta materialia, 2008 - Elsevier
Nanograined (grain size 10nm) ZnO films with various Co contents (0–52at.% Co) were
synthesized by a novel liquid ceramics method. The solubility limit for Co was determined at …

Ferromagnetism in Mn-doped ZnO: a joint theoretical and experimental study

N Ali, B Singh, V Ar, S Lal, CS Yadav… - The Journal of …, 2021 - ACS Publications
We present a joint theoretical and experimental investigation on the origin of ferromagnetism
in Mn-doped ZnO. Theoretical calculations revealed that the zinc vacancy (V Zn) induces …

Electronic structure, donor and acceptor transitions, and magnetism of impurities in and ZnO

H Raebiger, S Lany, A Zunger - Physical Review B—Condensed Matter and …, 2009 - APS
3 d transition impurities in wide-gap oxides may function as donor/acceptor defects to modify
carrier concentrations, and as magnetic elements to induce collective magnetism. Previous …

Grain boundaries as the controlling factor for the ferromagnetic behaviour of Co-doped ZnO

BB Straumal, AA Mazilkin, SG Protasova… - Philosophical …, 2013 - Taylor & Francis
The influence of the grain boundary (GB) specific area s GB on the appearance of
ferromagnetism in Co-doped ZnO has been analysed based on a review of numerous …

Ferromagnetic properties of the Mn-doped nanograined ZnO films

BB Straumal, SG Protasova, AA Mazilkin… - Journal of Applied …, 2010 - pubs.aip.org
Dense nanograined pure and Mn-doped Zn 1− x Mn x O polycrystals with x ranging between
0.1–34 at.% were synthesized by the wet chemistry method from butanoate precursors. Pure …

Grain boundary layers in nanocrystalline ferromagnetic zinc oxide

BB Straumal, AA Myatiev, PB Straumal, AA Mazilkin… - JETP letters, 2010 - Springer
The complete solubility of an impurity in a polycrystal increases with decreasing grain size,
because the impurity dissolves not only in the crystallite bulk but also on the grain …

Colloidal cobalt-doped ZnO nanorods: Synthesis, structural, and magnetic properties

T Büsgen, M Hilgendorff, S Irsen… - The Journal of …, 2008 - ACS Publications
The synthesis of ZnO: Co nanorods in alcoholic solutions and their structural, optical, and
magnetic properties are presented. One-dimensional growth is achieved by careful control …

Is ZnO as a universal semiconductor material an oxymoron?

B Hussain, B Kucukgok, MYA Raja… - … and Devices V, 2014 - spiedigitallibrary.org
The wide-bandgap semiconductor ZnO has gained major interest in research community for
its unique properties and wide range of applications. In this review article, we present …