Study of the low frequency noise from 77 K to 300 K in NbN semiconductor thin films deposited on silicon

G. Leroy, J. Gest, P. Tabourier, J. Carru, P. Xavier, E. André, J. Chaussy
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引用次数: 3

Abstract

In this paper we present, to our knowledge, the first low frequency noise characterization of two NbNx thin films deposited on a silicon substrate. Using a transmission line model (TLM) test structure, it is checked that the noise of the contacts is negligible. From 77 K to 300 K no generation-recombination (g-r) noise is observed and both samples exhibit only 1/f noise. By referring to noise studies in semiconductor materials, a first interpretation is suggested.
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硅片上沉积NbN半导体薄膜77k ~ 300k低频噪声的研究
在本文中,据我们所知,我们提出了沉积在硅衬底上的两个NbNx薄膜的第一个低频噪声表征。采用传输线模型(TLM)测试结构,验证了触点的噪声可以忽略不计。从77 K到300 K,没有观察到产生复合(g-r)噪声,两个样品都显示只有1/f噪声。参考半导体材料中的噪声研究,提出了第一种解释。
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