Results 41 to 50 of about 131,884 (260)

Intermediate Resistive State in Wafer‐Scale Vertical MoS2 Memristors Through Lateral Silver Filament Growth for Artificial Synapse Applications

Advanced Functional Materials, EarlyView.
In MOCVD MoS2 memristors, a current compliance‐regulated Ag filament mechanism is revealed. The filament ruptures spontaneously during volatile switching, while subsequent growth proceeds vertically through the MoS2 layers and then laterally along the van der Waals gaps during nonvolatile switching.
Yuan Fa, Milan Buttberg, Ke Ran, Rana Walied Ahmad, Dennis Braun, Lukas Völkel, Jimin Lee, Sofía Cruces, Bart Macco, Bárbara Canto, Holger Lerch, Thorsten Wahlbrink, Holger Kalisch, Michael Heuken, Andrei Vescan, Joachim Mayer, Zhenxing Wang, Ilia Valov, Stephan Menzel, Max C. Lemme   +19 more
wiley   +1 more source

Quantized Transport in Graphene p-n Junctions in Magnetic Field

, 2007
Recent experimental work on locally gated graphene layers resulting in p-n junctions have revealed quantum Hall effect in their transport behavior. We explain the observed conductance quantization which is fractional in the bipolar regime and integer in ...
Abanin, Agam, Baranger, Beenakker, Blanter, Cheianov, D. A. Abanin, Geim, Haug, L. S. Levitov, Novoselov, Oberholzer, Ohta, Silvestrov, Son, Washburn, Zhang   +16 more
core   +1 more source

Period Changes in Ultra-compact Double White Dwarfs [PDF]

, 2005
In recent years there has been much interest in the nature of two stars, V407 Vul and RXJ0806+1527, which are widely thought to be binary white dwarfs of very short orbital period, 570 and 321 seconds respectively.
Marsh, T. R., Nelemans, G.
core   +3 more sources

A New Threshold Switching Device With Tunable Negative Differential Resistance Based on ErMnO3 Polymorphs

Advanced Functional Materials, EarlyView.
Polymorph engineering in ErMnO3 enables low‐voltage, forming‐free threshold switching with tunable negative differential resistance. Conducting orthorhombic regions embedded in an insulating hexagonal matrix provide controlled Joule‐heating‐enhanced Poole–Frenkel transport. The hexagonal phase prevents excessive heating and breakdown.
Rong Wu, Florian Maudet, Thanh Luan Phan, Wassim Hamouda, Richard Schroedter, Ahmet Samil Demirkol, Ronald Tetzlaff, Veeresh Deshpande, Catherine Dubourdieu   +8 more
wiley   +1 more source

Long-time self-similar asymptotic of the macroscopic quantum models

, 2008
The unipolar and bipolar macroscopic quantum models derived recently for instance in the area of charge transport are considered in spatial one-dimensional whole space in the present paper.
Carrillo J. A., Chengchun Hao, Guo-Jing Zhang, Hai-Liang Li, Jüngel A., Jüngel A., Min Zhang   +6 more
core   +2 more sources

Interfacial chemical bonding-mediated ionic resistive switching. [PDF]

, 2017
In this paper, we present a unique resistive switching (RS) mechanism study of Pt/TiO2/Pt cell, one of the most widely studied RS system, by focusing on the role of interfacial bonding at the active TiO2-Pt interface, as opposed to a physico-chemical ...
Han, Jin-Woo, Hwang, Cheol Seong, Kang, Hung-Sen, Lee, Eunseok, Lee, Min Hwan, Moon, Hyeongjoo, Zade, Vishal   +6 more
core   +1 more source

Molecularly Engineered Highly Stable Memristors with Ultra‐Low Operational Voltage: Integrating Synthetic DNA with Quasi‐2D Perovskites

Advanced Functional Materials, EarlyView.
Molecularly engineered memristors integrating Ag nanoparticle–embedded synthetic DNA with quasi‐2D halide perovskites enable ultra‐low‐operational voltage, forming‐free resistive switching, and record‐low power density. This synergistic integration of customized DNA and 2D OHP in bio‐hybrid architecture enhances charge transport, reduces variability ...
Kavya S. Keremane, Abhinav Gorthy, Luyao Zheng, Chiranth C Ravi, Haodong Wu, Jiamao Zheng, Neela H. Yennawar, Shashank Priya, Rashmi Jha, Bed Poudel   +9 more
wiley   +1 more source

Electroencephalographic findings in patients with major depressive disorder during cognitive or emotional tasks: a systematic review

Brazilian Journal of Psychiatry
Objective: Major depressive disorder (MDD) is a prevalent psychiatric condition characterized by multiple symptoms that cause great distress. Uncovering the brain areas involved in MDD is essential for improving therapeutic strategies and predicting ...
Sabrina B. de Freitas, Alessandra A. Marques, Mário C. Bevilaqua, Marcele Regine de Carvalho, Pedro Ribeiro, Stephen Palmer, Antonio E. Nardi, Gisele P. Dias   +7 more
doaj   +1 more source

Clinical and Radiographic Outcomes of Unipolar and Bipolar Radial Head Prosthesis in Patients with Radial Head Fracture: A Systemic Review and Meta-Analysis

Journal of Investigative Surgery, 2018
Purpose: To compare clinical outcomes of unipolar and bipolar radial head prosthesis in the treatment of patients with radial head fracture. Materials and Methods: Medline, Cochrane, EMBASE, Google Scholar databases were searched until April 18, 2016 ...
Hongwei Chen, Ziyang Wang, Yongjun Shang
doaj   +1 more source

Relacionamentos multilaterais na unipolaridade: uma discussão teórica realista Multilateral relationships in unipolarity: a realist approach

Contexto Internacional, 2006
Examina-se em que medida e em que condições relacionamentos multilaterais podem ser relevantes no contexto de um sistema unipolar e, em particular, em que medida e em que condições esses relacionamentos podem influenciar o comportamento do único pólo do ...
Eugenio Diniz
doaj   +1 more source