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Van der Waals heterostructures formed by stacking different atomically thin layered materials have emerged as the sought-after device platform for electronic and optoelectronic applications. Determining the spatial extent of all the…

Mesoscale and Nanoscale Physics · Physics 2019-12-18 Mrityunjay Pandey , Radhika Soni , Avi Mathur , Srinivasan Raghavan , U. Chandni

Second-order nonlinear optical processes are fundamental to photonics, spectroscopy, and information technologies, with material platforms playing a pivotal role in advancing these applications. Here, we demonstrate the exceptional…

The nonvolatile magnetoresistive random access memory (MRAM) is believed to facilitate emerging applications, such as in memory computing, neuromorphic computing and stochastic computing. Two dimensional (2D) materials and their van der…

Mesoscale and Nanoscale Physics · Physics 2023-12-05 Zhen-Cun Pan , Dong Li , Xing-Guo Ye , Zheng Chen , Zhao-Hui Chen , An-Qi Wang , Mingliang Tian , Guangjie Yao , Kaihui Liu , Zhi-Min Liao

Led by the rise of the internet of things, the world is experiencing exponential growth of generated data. Data-driven algorithms such as signal processing and artificial neural networks are required to process and extract meaningful…

Mesoscale and Nanoscale Physics · Physics 2024-01-24 Guilherme Migliato Marega , Hyun Goo Ji , Zhenyu Wang , Mukesh Tripathi , Aleksandra Radenovic , Andras Kis

Two-dimensional (2D) materials have disrupted materials science due to the development of van der Waals technology. It enables the stacking of ultrathin layers of materials characterized by vastly different electronic structures to create…

We propose an optical memory cell based on ultrafast wavelength switching in coupled-cavity microlasers, featuring bistability between modes separated by several nanometers. A numerical implementation is demonstrated by simulating a…

Optics · Physics 2009-11-29 Sergei V. Zhukovsky , Dmitry N. Chigrin

Current portable memory device relies heavily on flash memory technology for its implementation. New generation of non-volatile memory is likely to replace floating gates, charge-trapping memory currently still suffering from inadequate…

Applied Physics · Physics 2023-03-27 Yifan Hu

We propose a novel solid-state disk (SSD) architecture that utilizes a double-data-rate synchronous NAND flash interface for improving read and write performance. Unlike the conventional design, the data transfer rate in the proposed design…

Hardware Architecture · Computer Science 2015-02-10 Eui-Young Chung , Chang-Il Son , Kwanhu Bang , Dong Kim , Soong-Mann Shin , Sungroh Yoon

We present a route to non-destructive functionalization of graphene via assembly of vertical all-carbon van der Waals heterostructures. To this end, we employ singlelayer graphene (SLG) sheets grown by low-pressure methane CVD on Cu foils…

Vertical van der Waals (vdW) heterostructures consisting of graphene (Gr) and transition metal dichalcogenides (TMDs) have created a fascinating platform for exploring optical and electronic properties in the two-dimensional limit. Previous…

Multilayer van der Waals (vdWs) heterostructures assembled by diverse atomically thin layers have demonstrated a wide range of fascinating phenomena and novel applications. Understanding the interlayer coupling and its correlation effect is…

Mesoscale and Nanoscale Physics · Physics 2017-06-26 Liang Xu , Wei-Qing Huang , Wangyu Hu , Bing-Xin Zhou , Anlian Pan , Gui-Fang Huang

Two-dimensional (2D) materials are widely used in various applications due to their extraordinary properties. In particular, their electrochemical stability, low electrical resistance, and huge specific surface area make them very…

Applied Physics · Physics 2023-01-20 Bahare Nouri , Andres Castellanos-Gomez , Foad Ghasemi

Due to its attractive characteristics in terms of performance, weight and power consumption, NAND flash memory became the main non volatile memory (NVM) in embedded systems. Those NVMs also present some specific characteristics/constraints:…

Operating Systems · Computer Science 2013-12-17 Pierre Olivier , Jalil Boukhobza , Eric Senn

Van der Waals heterostructures are constructed by stacking different atomic layers and can inherit many novel electronic and optical properties from the constituting atomic layers. Mechanical stability is of key importance for the high…

Materials Science · Physics 2021-06-23 Zhang Run-Sen , Jiang Jin-Wu

Two-dimensional (2D) materials present an exciting opportunity for devices and systems beyond the von Neumann computing architecture paradigm due to their diversity of electronic structure, physical properties, and atomically-thin, van der…

Mesoscale and Nanoscale Physics · Physics 2023-01-26 Xiwen Liu , Keshava Katti , Deep Jariwala

Discovery of two-dimensional materials with unique electronic, superior optoelectronic or intrinsic magnetic order have triggered worldwide interests among the fields of material science, condensed matter physics and device physics.…

Applied Physics · Physics 2019-12-24 Shi-Jun Liang , Bin Cheng , Xinyi Cui , Feng Miao

As modern computing gets continuously pushed up against the von Neumann Bottleneck -- limiting the ultimate speeds for data transfer and computation -- new computing methods are needed in order to bypass this issue and keep our computer's…

Research on graphene and other two-dimensional (2D) materials, such as silicene, germanene, phosphorene, hexagonal boron nitride (h-BN), graphitic carbon nitride (g-C3N4), graphitic zinc oxide (g-ZnO) and molybdenum disulphide (MoS2), has…

Materials Science · Physics 2016-03-03 Wei Hu , Jinlong Yang

Flash-based disk caches, for example Bcache and Flashcache, has gained tremendous popularity in industry in the last decade because of its low energy consumption, non-volatile nature and high I/O speed. But these cache systems have a worse…

Operating Systems · Computer Science 2023-11-16 Chaos Dong , Fang Wang , Jianshun Zhang

Non-volatile memory is expected to co-exist or replace DRAM in upcoming architectures. Durable concurrent data structures for non-volatile memories are essential building blocks for constructing adequate software for use with these…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-10 Yoav Zuriel , Michal Friedman , Gali Sheffi , Nachshon Cohen , Erez Petrank