Low-frequency noise considerations for sensors based on manganites

Guillet Bruno,Aryan Ammar,Enger Luiz Guilherme,Flament Stéphane,Lam Chok Sing Marc,Lebargy Sylvain,Liu Shuang,Méchin Laurence,Nascimento Vanuza Marques,Rousseau Olivier,Routoure Jean-Marc,Wu Sheng

international conference on noise and fluctuations（2019）

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Abstract

Low frequency noise considerations for sensors based on La0.33Sr0.67MnO3 (LSMO) thin films are discussed in this paper. Thanks to special attention on the film quality, on the electrical readout electronics and on the patterned geometries, epitaxially grown LSMO thin films can show a very low level of low-frequency noise and can thus be used to fabricate high signal-to-noise ratio sensors such as uncooled bolometers and uncooled low-field magnetoresistances. Keywords— low frequency noise, LSMO, bolometers, magnetoresistances

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Key words

sensors,noise,low-frequency

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