Results 61 to 70 of about 1,403,842 (249)

Kinetically-controlled wafer-scale synthesis of quasi-one-dimensional W6Te6 via a WS2 template anion-exchange strategy

open access: yesNano Research
Quasi-one-dimensional (quasi-1D) van der Waals (vdW) materials represent an emerging frontier in nanoscience, yet the synthesis of their metastable phases remains a significant challenge, as exemplified by W6Te6, whose formation is precluded by the ...
Mingzhu Xu   +14 more
doaj   +1 more source

Quantum State Complexity in Computationally Tractable Quantum Circuits

open access: yesPRX Quantum, 2021
Characterizing the quantum complexity of local random quantum circuits is a very deep problem with implications to the seemingly disparate fields of quantum information theory, quantum many-body physics, and high-energy physics.
Jason Iaconis
doaj   +1 more source

Hopping‐Mediated Zero‐Bias Photocharge Retention in Solution‐Processed Van Der Waals Heterostructures

open access: yesAdvanced Functional Materials, EarlyView.
Liquid–liquid interface assembly enables the fabrication of solution‐processed MoS2 and WSe2 centimeter‐scale, nanometer‐thick type‐II heterostructures on paper. Interfacial charge separation and hopping‐limited recombination produce rectification and persistent photocharge retention at zero bias.
Aniello Pelella   +11 more
wiley   +1 more source

Scanning Tunnelling Microscopy Study of Spin Interactions in Transition‐Metal Phthalocyanine Adsorbates: Mechanisms, Signatures, and Control Strategies

open access: yesAdvanced Science
Spin interactions between magnetic molecules and substrates are of fundamental importance, as they offer key insights into spin‐related phenomena and underpin the development of energy‐efficient spintronic devices.
Fudi Zhou   +6 more
doaj   +1 more source

QWIRE Practice: Formal Verification of Quantum Circuits in Coq [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2018
We describe an embedding of the QWIRE quantum circuit language in the Coq proof assistant. This allows programmers to write quantum circuits using high-level abstractions and to prove properties of those circuits using Coq's theorem proving features. The
Robert Rand   +2 more
doaj   +1 more source

Solving search problems by strongly simulating quantum circuits [PDF]

open access: yes, 2013
Simulating quantum circuits using classical computers lets us analyse the inner workings of quantum algorithms. The most complete type of simulation, strong simulation, is believed to be generally inefficient.
Clark, SR   +10 more
core   +1 more source

Hybrid Ferroelectric Tunnel Junctions with Intrinsic Nonlinearity and Self‐Rectification via Interfacial Reconstruction

open access: yesAdvanced Functional Materials, EarlyView.
Rapid thermal annealing reconstructs the BCFO/Nb:STO interface into an atomically thin reconstructed interfacial layer, which reshapes the tunneling barrier and converts a high‐TER ferroelectric tunnel junction into an intrinsically nonlinear, self‐rectifying device.
Hojin Lee   +21 more
wiley   +1 more source

Nitride MXenes Beyond Carbides: Bridging the Gap Between Computational Prediction and Experimental Realization

open access: yesAdvanced Functional Materials, EarlyView.
Nitride MXenes remain constrained by a persistent gap between computational prediction and experimental realization. This Review identifies the thermodynamic, kinetic, and chemical barriers limiting their synthesis, critically evaluates emerging fabrication routes, and proposes a multidimensional computational‐experimental framework to accelerate the ...
Naresh Varnakavi, Masoud Soroush
wiley   +1 more source

ToPoliNano: Nano-magnet Logic Circuits Design and Simulation [PDF]

open access: yes, 2013
Among the emerging technologies Field-Coupled devices like Quantum dot Cellular Automata are particularly interesting. Of all the practical implementations of this principle NanoMagnet Logic shows many important features, such as a very low power ...
Graziano, Mariagrazia   +3 more
core  

Photoinduced Interfacial Electronic Modulation in Fe2O3‐BiVO4 Heterostructures for Enhanced Photo‐Assisted Zn‐Air Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Light irradiation activates the Fe2O3‐BiVO4 heterostructure, enabling efficient solar‐electrochemical coupling in zinc‐air batteries. The built‐in electric field drives directional charge separation, guiding photoelectrons toward oxygen reduction sites and accumulating holes for oxygen evolution, thereby reducing polarization and enhancing discharge ...
Yili Liu   +7 more
wiley   +1 more source

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