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Related papers: Understanding doping of quantum materials

200 papers

Topology, a mathematical concept, has recently become a popular and truly transdisciplinary topic encompassing condensed matter physics, solid state chemistry, and materials science. Since there is a direct connection between real space,…

Materials Science · Physics 2021-03-23 Nitesh Kumar , Satya N. Guin , Kaustuv Manna , Chandra Shekhar , Claudia Felser

Multicomponent superconductivity is a novel quantum phenomenon in many different superconducting materials, such as multiband ones in which different superconducting gaps open in different Fermi surfaces, films engineered at the atomic…

Superconductivity · Physics 2015-04-28 Milorad V. Milošević , Andrea Perali

We synthesized the pure and co-doped titanium dioxide (TiO$_2$) electrodes via spin coating. We examined the optical and electronic properties of as-prepared thin film electrodes with co-doping of transition metals and non-metals. The…

Applied Physics · Physics 2022-06-13 Manish K Vishwakarma , Monojit Bag , Puneet Jain

By means of a multi-scale first-principles approach, a description of the local electronic structure of two-dimensional and narrow phosphorene sheets with various types of modifications is presented. First, a rational argument based on the…

Materials Science · Physics 2016-02-03 Alejandro Lopez-Bezanilla

We show that the unusual doping dependence of the isotope effects on transition temperature and zero temperature in - plane penetration depth naturally follows from the doping driven 3D-2D crossover, the 2D quantum superconductor to…

Superconductivity · Physics 2009-10-31 T. Schneider , H. Keller

Superconductors are a striking example of a quantum phenomenon in which electrons move coherently over macroscopic distances without scattering. The high-temperature superconducting oxides(cuprates) are the most studied class of…

Carrier doping by the electric field effect has emerged recently as an ideal route for monitoring many-body physics in two-dimensional (2D) materials where the Fermi level is tuned in a way that -- indirectly -- the strength of the…

Mesoscale and Nanoscale Physics · Physics 2019-10-01 Peio Garcia-Goiricelaya , Jon Lafuente-Bartolome , Idoia G. Gurtubay , Asier Eiguren

Point defects in Ga- and Al-doped ZnO thin films are studied by means of first principles electronic structure calculations. Candidate defects are identified to explain recently observed differences in electrical and spectroscopical…

Materials Science · Physics 2016-10-06 E. Menéndez-Proupin , P. Palacios , P. Wahnón

Theoretical attempts to explain the origin of high temperature superconductivity are challenged by the complexity of the normal state, which exhibits three regimes with increasing hole doping: a pseudo-gap regime when underdoped, strange…

Superconductivity · Physics 2007-05-23 T. Senthil , Matthew P. A. Fisher

The following article presents a multi-length-scale characterization approach for investigating doping chemistry and spatial distributions within semiconductors, as demonstrated using a state-of-the-art CMOS image sensor. With an intricate…

The progress witnessed within the field of quantum computing has been enabled by the identification and understanding of interactions between the state of the quantum bit (qubit) and the materials within its environment. Beginning with an…

Quantum Physics · Physics 2021-10-28 Conal E. Murray

Two-dimensional (2D) materials are a family of layered materials exhibiting rich exotic phenomena, such as valley-contrasting physics. Down to single-particle level, unraveling fundamental physics and potential applications including…

Mesoscale and Nanoscale Physics · Physics 2022-04-18 Fang-Ming Jing , Zhuo-Zhi Zhang , Guo-Quan Qin , Gang Luo , Gang Cao , Hai-Ou Li , Xiang-Xiang Song , Guo-Ping Guo

The interaction of optically excited excitons in atomically thin semiconductors with residual doping densities leads to many-body effects which are continuously tunable by external gate voltages. Here, we develop a fully microscopic theory…

Mesoscale and Nanoscale Physics · Physics 2022-01-07 Florian Katsch , Andreas Knorr

We review progress in the development and applications of superconducting metamaterials. The review is organized in terms of several distinct advantages and unique properties brought to the metamaterials field by superconductivity. These…

Superconductivity · Physics 2014-05-30 Philipp Jung , Alexey V. Ustinov , Steven M. Anlage

Using a systematic ab initio quantum many-body approach that goes beyond low-energy models, we directly compute the superconducting pairing order and estimate the pairing gap of several doped cuprate materials and structures within a purely…

Technologies operating on the basis of quantum mechanical laws and resources such as phase coherence and entanglement are expected to revolutionize our future. Quantum technologies are often divided into four main pillars: computing,…

We consider the interplay between superconducting coupling and dopant impurity scattering of charge carriers in planar square lattice systems and examine physical conditions (doping level, temperature, local symmetry of coupling and…

Superconductivity · Physics 2009-11-07 V. M. Loktev , Yu. G. Pogorelov

Traditional solid-state physics has long correlated the optical properties of materials with their electronic structures. However, recent discoveries of intrinsic gapped metals have challenged this classical view. Gapped metals possess…

Materials Science · Physics 2023-04-28 Muhammad Rizwan Khan , Harshan Reddy Gopidi , Oleksandr I. Malyi

Carbon nanotubes are a versatile material in which many aspects of condensed matter physics come together. Recent discoveries, enabled by sophisticated fabrication, have uncovered new phenomena that completely change our understanding of…

Mesoscale and Nanoscale Physics · Physics 2015-08-04 E. A. Laird , F. Kuemmeth , G. Steele , K. Grove-Rasmussen , J. Nygård , K. Flensberg , L. P. Kouwenhoven

In weakly coupled, current biased, doped semiconductor superlattices, domain walls may move upstream against the flow of electrons. For appropriate doping values, a domain wall separating two electric field domains moves downstream below a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. Carpio , L. L. Bonilla , A. Wacker , E. Schoell