scholarly journals Adsorption of Organic Molecules to van der Waals Materials: Comparison of Fluorographene and Fluorographite with Graphene and Graphite

2017 ◽  
Vol 13 (3) ◽  
pp. 1328-1340 ◽  
Author(s):  
František Karlický ◽  
Eva Otyepková ◽  
Rabindranath Lo ◽  
Michal Pitoňák ◽  
Petr Jurečka ◽  
...  
Keyword(s):  
Organic Molecules ◽  
Van Der Waals ◽  
Adsorption Of Organic Molecules ◽  
Van Der Waals Materials

scholarly journals Adsorption of organic molecules at the TiO2(110) surface: The effect of van der Waals interactions

2015 ◽  
Vol 632 ◽  
pp. 142-153 ◽  
Author(s):  
Marcus J. Tillotson ◽  
Peter M. Brett ◽  
Roger A. Bennett ◽  
Ricardo Grau-Crespo
Keyword(s):  
Organic Molecules ◽  
Van Der Waals ◽  
Van Der Waals Interactions ◽  
Adsorption Of Organic Molecules

Chemical Pressure Boost Record‐High Superconductivity in van der Waals Materials FeSe 1− x S x

2021 ◽  
pp. 2102917
Author(s):  
Ruijin Sun ◽  
Shifeng Jin ◽  
Jun Deng ◽  
Munan Hao ◽  
Xin Zhong ◽  
...  
Keyword(s):  
Van Der Waals ◽  
Chemical Pressure ◽  
Van Der Waals Materials

scholarly journals Carrier-capture-assisted optoelectronics based on van der Waals materials to imitate medicine-acting metaplasticity

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Qianfan Nie ◽  
Caifang Gao ◽  
Feng-Shou Yang ◽  
Ko-Chun Lee ◽  
Che-Yi Lin ◽  
...  
Keyword(s):  
Weight Change ◽  
Synaptic Weight ◽  
Van Der Waals ◽  
Low Frequency ◽  
Photonic Devices ◽  
Frequency Noise ◽  
Carrier Capture ◽  
Electronic Engineering ◽  
Neural Simulation ◽  
Van Der Waals Materials

AbstractRecently, researchers have focused on optoelectronics based on two-dimensional van der Waals materials to realize multifunctional memory and neuron applications. Layered indium selenide (InSe) semiconductors satisfy various requirements as photosensitive channel materials, and enable the realization of intriguing optoelectronic applications. Herein, we demonstrate InSe photonic devices with different trends of output currents rooted in the carrier capture/release events under various gate voltages. Furthermore, we reported an increasing/flattening/decreasing synaptic weight change index (∆Wn) via a modulated gate electric field, which we use to imitate medicine-acting metaplasticity with effective/stable/ineffective features analogous to the synaptic weight change in the nervous system of the human brain. Finally, we take advantage of the low-frequency noise (LFN) measurements and the energy-band explanation to verify the rationality of carrier capture-assisted optoelectronics applied to neural simulation at the device level. Utilizing optoelectronics to simulate essential biomedical neurobehaviors, we experimentally demonstrate the feasibility and meaningfulness of combining electronic engineering with biomedical neurology.

scholarly journals Intercorrelated ferroelectrics in 2D van der Waals materials

2021 ◽  
Author(s):  
Yan Liang ◽  
Shiying Shen ◽  
Baibiao Huang ◽  
Ying Dai ◽  
Yandong Ma
Keyword(s):  
Van Der Waals ◽  
Out Of Plane ◽  
Fundamental Phenomenon ◽  
Van Der Waals Materials

2D intercorrelated ferroelectrics, exhibiting a coupled in-plane and out-of-plane ferroelectricity, is a fundamental phenomenon in the field of condensed-mater physics. The current research is based on the paradigm of bi-directional...

2D van der Waals materials for ultrafast pulsed fiber lasers: review and prospect

2021 ◽  
Author(s):  
Yani Zhang ◽  
Zhuo-ying Song ◽  
Dun Qiao ◽  
Xiaohui Li ◽  
Zhe Guang ◽  
...  
Keyword(s):  
Fiber Lasers ◽  
Van Der Waals ◽  
Fast Response ◽  
High Threshold ◽  
Absorption Characteristic ◽  
Saturable Absorption ◽  
Metal Chalcogenides ◽  
Ultrafast Optical ◽  
Van Der Waals Materials ◽  
Pulsed Fiber Lasers

Abstract 2D van der Waals materials are crystals composed of atomic layers, which have atomic thickness scale layers and rich distinct properties, including ultrafast optical response, surface effects, light-mater interaction, small size effects, quantum effects and macro quantum tunnel effects. With the exploration of saturable absorption characteristic of 2D van der Waals materials, a series of potential applications of 2D van der Waals materials as high threshold, broadband and fast response saturable absorbers (SAs) in ultrafast photonics have been proposed and confirmed. Herein, the photoelectric characteristics, nonlinear characteristic measurement technique of 2D van der Waals materials and the preparation technology of SAs are systematically described. Furthermore, the ultrafast pulsed fiber lasers based on classical 2D van der Waals materials including graphene, Transition Metal Chalcogenides (TMCs), Topological Insulators (TIs) and Black Phosphorus (BP) have been fully summarized and analyzed. On this basis, opportunities and directions in this field, as well as the research results of ultrafast pulsed fiber lasers based on the latest 2D van der Waals materials (such as PbO, FePSe3, graphdiyne, bismuthene, Ag2S and MXene etc.), are reviewed and summarized.

Tin diselenide van der Waals materials as new candidates for mid-infrared waveguide chips

Nanoscale ◽  
2019 ◽  
Vol 11 (30) ◽  
pp. 14113-14117 ◽  
Author(s):  
Mengfei Xue ◽  
Qi Zheng ◽  
Runkun Chen ◽  
Lihong Bao ◽  
Shixuan Du ◽  
...  
Keyword(s):  
Near Field ◽  
Van Der Waals ◽  
Building Blocks ◽  
Two Dimensional ◽  
Mid Infrared ◽  
Near Field Imaging ◽  
Van Der Waals Materials ◽  
Field Imaging

Near-field imaging of mid-infrared waveguide in SnSe2 slabs promotes two-dimensional van der Waals materials as building blocks for integrated MIR chips.

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