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Related papers: The nickel vacancy acceptor in NiO: doping beyond …

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Superconducting thin films and layered crystals display a Nernst signal generated by short-lived Cooper pairs above their critical temperature. Several experimental studies have broadly verified the standard theory invoking Gaussian…

Experimental studies of Zn1-xCoxO as thin films or nanocrystals have found ferromagnetism and Curie temperatures above room temperature and that p- or n-type doping of Zn1-xCoxO can change its magnetic state. Bulk Zn1-xCoxO with a low…

Materials Science · Physics 2013-05-29 Charles H. Patterson

The discovery of high critical temperature (Tc) superconductivity in pressurized La$_3$Ni$_2$O$_7$ has ignited renewed excitement in the search of novel high-Tc superconducting compounds with 3d transition metals. Compared to other…

$RE$NiO$_3$ is a negative charge transfer energy system and exhibits a temperature-driven metal-insulator transition (MIT), which is also accompanied by a bond disproportionation (BD) transition. In order to explore how hole doping affects…

This paper addresses the effect of disorder on the carrier transport mechanism of atomic layer deposited ZnO thin films as has been investigated by temperature dependent electrical resistivity measurements in the temperature range of 4.2K…

Materials Science · Physics 2013-01-08 D. Saha , Amit. K. Das , R. S. Ajimsha , P. Misra , L. M. Kukreja

The structures, optical and electrical transport properties of SnO$_2$ films, fabricated by rf sputtering method at different oxygen partial pressures, were systematically investigated. It has been found that preferred growth orientation of…

Materials Science · Physics 2014-02-11 Yu-Chen Ji , Hua-Xing Zhang , Xing-Huang Zhang , Zhi-Qing Li

Bismuth vanadate - bismuth molybdate solid-solution was prepared to elaborate ceramics with different amounts of cation vacancies. Dense ceramics with similar microstructures were obtained and the evolution of their melting point, specific…

The effect of off-plane impurity on superconductivity and non-Fermi-liquid (NFL) behavior in the layered heavy-fermion compound CeCo$_{1-x}$Ni$_x$In$_5$ is investigated by specific heat, magnetization, and electrical resistivity…

We investigate the behavior of the spectral weight near the Fermi level of NdNiO3 thin films as a function of temperature across the metal-to-insulator transition (MIT) by means of ultraviolet photoelectron spectroscopy. The spectral weight…

Strongly Correlated Electrons · Physics 2015-06-12 E. F. Schwier , R. Scherwitzl , Z. Vydrova , M. , Garcia-Fernandez , M. Gibert , P. Zubko , M. G. Garnier , J. -M. Triscone , P. Aebi

To contemplate an alternative approach for the minimization of diffusion at high temperature depositions, present findings impart viability of room-temperature deposited reactively sputtered ScN thin film samples. The adopted room…

By studying the temperature-dependent behavior of electron thermal conductivity (k) in a 3.2 nm-thin film, we quantify the extremely confined defect-electron scattering and reveal the intrinsic phonon-electron scattering that is shared by…

Mesoscale and Nanoscale Physics · Physics 2015-01-16 Zhe Cheng , Zaoli Xu , Shen Xu , Xinwei Wang

Realizing experimental control of superconductivity is of paramount importance to advancing both basic research and technological applications. Disorder, generally existing in most superconductors, intricately interacts with Cooper pairs…

WO3-x thinfilms featuring petal-like and lamella-like nanostructures are grown under controlled oxygen partial pressures using hot filament chemical vapor deposition. These synthesized WO3-x nanostructures exhibit monoclinic structure and…

Materials Science · Physics 2025-04-16 K. Ganesan , P. K. Ajikumar

The Persistent Photoconductivity (PPC) effect was studied in individual tin oxide (SnO2) nanobelts as a function of temperature, in air, helium, and vacuum atmospheres, and low temperature Photoluminescence measurements were carried out to…

Materials Science · Physics 2012-12-12 E. R. Viana , J. C. González , G. M. Ribeiro , A. G. de Oliveira

A series of 122 phase BaFe$_{2-x}$Ni$_x$As$_2$ ($x$ = 0, 0.055, 0.096, 0.18, 0.23) single crystals were grown by self flux method and a dome-like Ni doping dependence of superconducting transition temperature is discovered. The transition…

Superconductivity · Physics 2009-02-27 L. J. Li , Q. B. Wang , Y. K. Luo , H. Chen , Q. Tao , Y. K. Li , X. Lin , M. He , Z. W. Zhu , G. H. Cao , Z. A. Xu

Modulation of the charge carrier density in a Mott material by remote doping from a highly doped conventional band insulator is proposed to test theoretical predictions of band filling control of the Mott metal-insulator transition without…

Materials Science · Physics 2011-11-11 Junwoo Son , Bharat Jalan , Adam P. Kajdos , Leon Balents , S. James Allen , Susanne Stemmer

A negative kink in excess conductivity is observed in p-type non-degenerate (moderate dopant concentration) silicon wafers when excited by a very narrow pulse of 532 nm laser appearing just after the complete positive decay of dark…

Materials Science · Physics 2021-09-29 Biswadev Roy , Branislav Vlahovic , Marvin H. Wu

We have grown (111)- and (001)-oriented NiO thin films on (0001)-Sapphire and (001)-MgO substrates using pulsed laser deposition (PLD), respectively. DC magnetic susceptibility measurements underline that the N\'eel temperatures of the…

Materials Science · Physics 2024-12-05 S. Kaur , Smriti Bhatia , Pooja , Kshitij Sharma , V. K. Malik , J. P. Singh , K. Sen

Recent reports reveal that isothermal chemical doping of hydrogen in correlated complex oxides such as perovskite nickelates (e.g. NdNiO3) can induce a metal-to-insulator transition (MIT) without the need for temperature modulation. In this…

Materials Science · Physics 2024-05-16 Ronald Warzoha , Brian Donovan , Yifei Sun , Elena Cimpoiasu , Shriram Ramanathan

The structural and electrical properties of Ti-N films deposited by reactive sputtering depend on their growth parameters, in particular the Ar:N2 gas ratio. We show that the nitrogen percentage changes the crystallographic phase of the…