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In this paper we investigate the effect of Cd doping at ultra-low concentrations in SnO$_2$ both experimentally, by measuring the temperature dependence of the electric quadrupole hyperfine interactions with time-differential perturbed…

Materials Science · Physics 2019-01-23 Germán N. Darriba , Emiliano L. Muñoz , Artur W. Carbonari , Mario Rentería

Superconductivity often emerges in the proximity of, or in competition with, symmetry breaking ground states such as antiferromagnetism or charge density waves (CDW)1-5. A number of materials in the cuprate family, which includes the…

A 0.93 gram $1{\times}1{\times}0.4$ cm$^3$ SuperCDMS silicon HVeV detector operated at 30 mK was illuminated by 1.91 eV photons using a room temperature pulsed laser coupled to the cryostat via fiber optic. The detector's response under a…

The significance of p-type transparent oxide semiconductors (TOS) in the semiconductor industry is paramount, driving advancements in optoelectronic technologies for transparent electronic devices with unique properties. The recent…

Materials Science · Physics 2025-01-22 Zewen Xiao

Cubic boron nitride (cBN) is an ultra-wide bandgap, super-hard material with potential for extreme-temperature and -pressure applications. A proof-of-principle p-n junction using cBN was demonstrated almost three decades ago. However, to…

Materials Science · Physics 2022-02-04 Tamanna Joshi , Pankaj Kumar , Bipul Poudyal , Sean Paul Russell , Priyanka Manchanda , Pratibha Dev

We present a study of charge density wave (CDW) ordering in CeTe$_3$ at room temperature using a scanning tunneling microscope and Raman spectroscopy. Two characteristic CDW ordering wavevectors obtained from the Fourier analysis are…

\textit{Topmetal-${II}^-$} is a low noise CMOS pixel direct charge sensor with a pitch of 83$\mu m$. CdZnTe is an excellent semiconductor material for radiation detection. The combination of CdZnTe and the sensor makes it possible to build…

Instrumentation and Detectors · Physics 2017-02-22 Shuguang Zou , Yan Fan , Xiangming Sun , Guangming Huang , Hua Pei , Zhen Wang , Jun Liu , Ping Yang , Dong Wang

TaTe$_4$, a metallic charge-density wave (CDW) material discovered decades ago, has attracted renewed attention due to its rich interesting properties such as pressure-induced superconductivity and candidate non-trivial topological phase.…

Strongly Correlated Electrons · Physics 2023-11-07 R. Z. Xu , X. Du , J. S. Zhou , X. Gu , Q. Q. Zhang , Y. D. Li , W. X. Zhao , F. W. Zheng , M. Arita , K. Shimada , T. K. Kim , C. Cacho , Y. F. Guo , Z. K. Liu , Y. L. Chen , L. X. Yang

Resistivity measurements of TiSe$_2$ typically show only a weak change in gradient at the charge density wave transition at $T_{CDW}\approx$ 200~K, but more prominently feature a broad peak at a lower $T_{peak}\sim$ 165~K, which has…

Strongly Correlated Electrons · Physics 2019-05-29 Matthew D. Watson , Adam M. Beales , Philip D. C. King

Superconductivity (SC) may microscopically coexist with density wave (DW) when the nesting of the Fermi surface (FS) is not perfect. There are, at least, two possible microscopic structures of a DW state with quasi-particle states remaining…

Superconductivity · Physics 2008-11-27 P. D. Grigoriev

We show how to overcome almost every major limitation in passive dew collection including: parasitic heating, parasitic evaporation, uncontrolled wind conditions, and performing dew collection 24 hours per day at nearly arbitrary relative…

Applied Physics · Physics 2019-12-04 Yuval Zamir , Nadav Drechsler , John Howell

A Compton camera is the most promising approach for gamma-ray detection in the energy region from several hundred keV to MeV, especially for application in high energy astrophysics. In order to obtain good angular resolution, semiconductor…

On the purpose of studying the effect of long-range Coulomb-interaction in strongly correlated electronic systems we bring in as its representative the nearest-neighbor repulsion ($v$) in addition to the on-site repulsion ($u$) and shall…

Condensed Matter · Physics 2017-02-01 Junichiro Kishine , Hiroshi Namaizawa

The field and temperature dependencies of the longitudinal and Hall resistivity have been studied for high-quality FeSe${}_{1-x}$S${}_{x}$ (x up to 0.14) single crystals. Quasiclassical analysis of the obtained data indicates a strong…

In the iron-based high-Tc bulk superconductors, Tc above 50K was only observed in the electron-doped 1111-type compounds. Here we revisit the electron-doped SmFeAsO polycrystals to make a further investigation for the highest T-c in these…

Superconductivity · Physics 2017-11-16 Xiao-Chuan Wang , Jia Yu , Bin-Bin Ruan , Bo-Jin Pan , Qing-Ge Mu , Tong Liu , Kang Zhao , Gen-Fu Chen , Zhi-An Ren

By measuring the temperature dependence of the resistance, we investigated the effect of Cu doping on superconductivity (SC) in Cu-doped TaSe$_3$ in which the charge density wave (CDW) transition is induced by Cu doping. We observed an…

Superconductivity · Physics 2019-01-10 Atsushi Nomura , Kazuhiko Yamaya , Shigeru Takayanagi , Koichi Ichimura , Satoshi Tanda

The quasi-one-dimensional material PdTeI exhibits unusual electronic transport properties at ambient pressure. Here, we systematically investigate both the structural and electronic responses of PdTeI to external pressure, through a…

We report the effect of 4f electron doping on structural, electrical and magneto-transport properties of Dy doped half Heusler Y1-x(Dy)xPdBi (x =0, 0.2, 0.5, 1) thin films grown by pulsed laser deposition. The Dy doping leads to lattice…

Materials Science · Physics 2021-10-04 Vishal Bhardwaj , Niladri Banerjee , Ashok K. Ganguli , Ratnamala Chatterjee

The sensitivity of dark matter detectors to the lightest neutralino (${\tilde {Z}_1}$) is considered within the framework of supergravity grand unification with radiative breaking of SU(2)xU(1). The relic density of the ${\tilde {Z}_1}$ is…

High Energy Physics - Phenomenology · Physics 2009-09-25 R. Arnowitt

The critical temperature of an underdoped cuprate superconductor is limited by its phase stiffness $\rho$. In this Letter we argue that the dependence of $\rho$ on doping $x$ should be understood as a consequence of deleterious competition…

Strongly Correlated Electrons · Physics 2015-05-13 Wei-Cheng Lee , Jairo Sinova , A. A. Burkov , Yogesh Joglekar , A. H. MacDonald