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Related papers: Tunable charge-trap memory based on few-layer MoS2

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Fast-growing electronics industry and future energy storage needs have encouraged the design of rechargeable batteries with higher storage capacities, and longer life times. In this regard, two-dimensional (2D) materials, specifically boron…

Applied Physics · Physics 2018-03-21 Meysam Makaremi , Bohayra Mortazavi , Chandra Veer Singh

Quantum confinement has made it possible to detect and manipulate single-electron charge and spin states. The recent focus on two-dimensional (2D) materials has attracted significant interests on possible applications to quantum devices,…

Two-dimensional (2D) transition metal dichalcogenides (TMDs) based photodetectors have shown great potential for the next generation optoelectronics. However, most of the reported MoS2 photodetectors function under the photogating effect…

Progress in high-performance computing demands significant advances in memory technology. Among novel memory technologies that promise efficient device operation on a sub-ns timescale, resistance switching between charge ordered phases of…

The integration of the spin degree of freedom in charge-based electronic devices has revolutionised both sensing and memory capability in microelectronics. Further development in spintronic devices requires electrical manipulation of spin…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Wenjing Yan , Oihana Txoperena , Roger Llopis , Hanan Dery , Luis E. Hueso , Fèlix Casanova

High-density phase change memory (PCM) storage is proposed for materials with multiple intermediate resistance states, which have been observed in 1$T$-TaS$_2$ due to charge density wave (CDW) phase transitions. However, the metastability…

Two-dimensional (2D) materials can have an excellent capability to handle high rates of charge in ion batteries since metal ions need not diffuse in a 3D lattice structure. However graphene, which is the most important 2D material, is known…

Materials Science · Physics 2014-01-03 Dequan Er , Junwen Li , Michael Naguib , Michel Barsoum , Yury Gogotsi , Vivek B. Shenoy

Two-dimensional (2D) materials with large band gaps and strong and tunable second-harmonic generation (SHG) coefficients play an important role in the miniaturization of deep-ultraviolet (DUV) nonlinear optical (NLO) devices. Despite the…

Mesoscale and Nanoscale Physics · Physics 2025-03-04 Linlin Liu , Congwei Xie , Abudukadi Tudi , Keith Butler , Zhihua Yang

Molybdenum disulfide is considered as one of the most promising two-dimensional semiconductors for electronic and optoelectronic device applications. So far, the charge transport in monolayer molybdenum disulfide is dominated by extrinsic…

Ultrathin sheets of MoS2 are a newly discovered 2D semiconductor that holds great promise for nanoelectronics. Understanding the pattern of current flow will be crucial for developing devices. In this talk, we present images of current flow…

Mesoscale and Nanoscale Physics · Physics 2017-09-13 Sagar Bhandari , Ke Wang , Kenji Watanabe , Takashi Taniguchi , Philip Kim , Robert M. Westervelt

The discovery of archetypal two-dimensional (2D) materials provides enormous opportunities in both fundamental breakthroughs and device applications, as evident by the research booming in graphene, atomically thin transition-metal…

Mesoscale and Nanoscale Physics · Physics 2018-11-27 Chenqiang Hua , Feng Sheng , Qifeng Hu , Zhu-An Xu , Yunhao Lu , Yi Zheng

Monolayers of transition metal dichalcogenides are semiconducting materials which offer many prospects in optoelectronics. A monolayer of molybdenum disulfide (MoS2) has a direct bandgap of 1.88 eV. Hence, when excited with optical photon…

Superconducting electronics represents a promising technology, offering not only efficient integration with quantum computing systems, but also the potential for significant power reduction in high-performance computing. Nonetheless, the…

Superconductivity · Physics 2025-03-24 Leon Ruf , Angelo Di Bernardo , Elke Scheer

Identifying applicable anode materials is a significant task for Li- and Na-ion battery (LIB and NIB) technologies. We propose the GaN monolayer (2D GaN) can be a good anode candidate. The GaN monolayer manifests stable Li/Na adsorption and…

Materials Science · Physics 2018-12-31 Xiaoming Zhang , Lei Jin , Xuefang Dai , Guifeng Chen , Guodong Liu

In this work, we demonstrate the enlargement of the memory window of Si channel FeFET with ferroelectric Hf0.5Zr0.5O2 by gate-side dielectric interlayer engineering. By inserting an Al2O3 dielectric interlayer between TiN gate metal and…

The marriage between a two-dimensional layered material (2DLM) and a complex transition metal oxide (TMO) results in a variety of physical and chemical phenomena that would not have been achieved in either material alone. Interesting recent…

Materials Science · Physics 2019-05-09 Kyeong Tae Kang , Jeongmin Park , Dongseok Suh , Woo Seok Choi

The integration of two-dimensional materials such as transition metal dichalcogenides with bulk semiconductors offer interesting opportunities for 2D/3D heterojunction-based novel device structures without any constraints of lattice…

van der Waals stacking of two-dimensional (2D) materials offers a powerful platform for engineering material interfaces with tailored electronic and optical properties. While most van der Waals multilayers have featured inorganic…

Shrinking the size of a bulk metal into nanoscale leads to the discreteness of electronic energy levels, the so-called Kubo gap. Renormalization of the electronic properties with a tunable and size-dependent Kubo gap renders fascinating…

N-graphdiyne monolayers, a set of carbon-nitride nanosheets, have been synthesized recently through the polymerization of triazine- and pyrazine-based monomers. Since the two-dimensional nano-structures are mainly composed of light-weight…

Computational Physics · Physics 2018-12-27 Meysam Makaremi , Bohayra Mortazavi , Timon Rabczuk , Geoffrey A. Ozin , Chandra Veer Singh
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