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Title: Field emission properties and strong localization effect in conduction mechanism of nanostructured perovskite LaNiO{sub 3}

Abstract

We report the potential field emission of highly conducting metallic perovskite lanthanum nickelate (LaNiO{sub 3}) from the nanostructured pyramidal and whisker shaped tips as electron emitters. Nano particles of lanthanum nickelate (LNO) were prepared by sol-gel route. Structural and morphological studies have been carried out. Field emission of LNO exhibited high emission current density, J = 3.37 mA/cm{sup 2} at a low threshold electric field, E{sub th} = 16.91 V/μm, obeying Fowler–Nordheim tunneling. The DC electrical resistivity exhibited upturn at 11.6 K indicating localization of electron at low temperature. Magnetoresistance measurement at different temperatures confirmed strong localization in nanostructured LNO obeying Anderson localization effect at low temperature.

Authors:
 [1];  [2]; ; ;  [1]
  1. Department of Physics, Indian Institute of Science, Bangalore 560012, Karnataka (India)
  2. (India)
Publication Date:
OSTI Identifier:
22590530
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 109; Journal Issue: 8; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; ELECTRIC FIELDS; FIELD EMISSION; LANTHANUM; MAGNETORESISTANCE; NANOSTRUCTURES; NICKELATES; PEROVSKITE; SOL-GEL PROCESS; TEMPERATURE RANGE 0000-0013 K; TUNNEL EFFECT

Citation Formats

Kamble, Ramesh B., E-mail: rbk.physics@coep.ac.in, Department of Physics, College of Engineering, Pune 411005, Maharashtra, Tanty, Narendra, Patra, Ananya, and Prasad, V. Field emission properties and strong localization effect in conduction mechanism of nanostructured perovskite LaNiO{sub 3}. United States: N. p., 2016. Web. doi:10.1063/1.4961312.
Kamble, Ramesh B., E-mail: rbk.physics@coep.ac.in, Department of Physics, College of Engineering, Pune 411005, Maharashtra, Tanty, Narendra, Patra, Ananya, & Prasad, V. Field emission properties and strong localization effect in conduction mechanism of nanostructured perovskite LaNiO{sub 3}. United States. doi:10.1063/1.4961312.
Kamble, Ramesh B., E-mail: rbk.physics@coep.ac.in, Department of Physics, College of Engineering, Pune 411005, Maharashtra, Tanty, Narendra, Patra, Ananya, and Prasad, V. 2016. "Field emission properties and strong localization effect in conduction mechanism of nanostructured perovskite LaNiO{sub 3}". United States. doi:10.1063/1.4961312.
@article{osti_22590530,
title = {Field emission properties and strong localization effect in conduction mechanism of nanostructured perovskite LaNiO{sub 3}},
author = {Kamble, Ramesh B., E-mail: rbk.physics@coep.ac.in and Department of Physics, College of Engineering, Pune 411005, Maharashtra and Tanty, Narendra and Patra, Ananya and Prasad, V.},
abstractNote = {We report the potential field emission of highly conducting metallic perovskite lanthanum nickelate (LaNiO{sub 3}) from the nanostructured pyramidal and whisker shaped tips as electron emitters. Nano particles of lanthanum nickelate (LNO) were prepared by sol-gel route. Structural and morphological studies have been carried out. Field emission of LNO exhibited high emission current density, J = 3.37 mA/cm{sup 2} at a low threshold electric field, E{sub th} = 16.91 V/μm, obeying Fowler–Nordheim tunneling. The DC electrical resistivity exhibited upturn at 11.6 K indicating localization of electron at low temperature. Magnetoresistance measurement at different temperatures confirmed strong localization in nanostructured LNO obeying Anderson localization effect at low temperature.},
doi = {10.1063/1.4961312},
journal = {Applied Physics Letters},
number = 8,
volume = 109,
place = {United States},
year = 2016,
month = 8
}
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