期刊论文详细信息
Micro & nano letters
Approach to suppress ambipolar conduction in Tunnel FET using dielectric pocket
article
Chandan K. Pandey1  Debashish Dash1  Saurabh Chaudhury1 
[1] Electrical Engineering Department, National Institute of Technology
关键词: MOSFET;    semiconductor device models;    tunnelling;    technology CAD (electronics);    tunnel transistors;    minimum tunnelling width;    TFETs;    gate-to-drain capacitance;    gate-on-drain overlapping;    suppressed ambipolar conduction;    tunnel field-effect transistors;    upper drain region;    depleted drain region;    channel–drain interface;    high-k dielectric pocket;    two-dimensional TCAD simulations;    size 10.0 nm;    voltage -0.8 V;   
DOI  :  10.1049/mnl.2018.5276
学科分类:计算机科学(综合)
来源: Wiley
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【 摘 要 】

Lignans are natural products widely distributed in the plant kingdom. They are composed of two β-β-linked phenylpropane (shikimate-derived biogenetic subunits). Although the backbone of lignans is composed of phenylpropane units, there is enormous diversity in the structure of lignans leading to different classes of lignans, such as γ-butyrolactone derivatives, eg. Hymatairesinol, bicyclooctadiene derivatives, e.g. pinoresinol, tetrahydrofuran derivatives e.g.lariciresinol, di-arylbutandiol derivatives, e.g. secoisolariciresinol. Introduction of a further carbon –carbon linkage leads to a class of lignans collectively known as cyclolignans such as tetrahydro-naphthalene derivatives, for example podophyllotoxin. Lignans have a broad range of biological activities; many of them show significant antitumour, antimitotic, and antiviral effects. They also have cardiovascular effects, antimicrobial and insecticidal activities. The efflux mechanisms of bacteria to some antibiotics and resistance of bacteria to many antibiotics led to search for antibacterial compound of plant origin to overcome these problems. The antibacterial activity of HMR lignan was determined using the disc diffusion method and the MIC of the isolated compound was tested by the broth micro-dilution method. HMR lignan showed activity against Staphylococcus epidermidis(17 mm), Candida albicans (13mm), Proteussp(12mm) and Klebsiella sp (12mm).

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