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Title: On the structural and electronic properties of Ir-silicide nanowires on Si(001) surface

Abstract

Iridium (Ir) modified Silicon (Si) (001) surface is studied with Scanning Tunneling Microscopy/Spectroscopy (STM/STS) and Density Functional Theory (DFT). A model for Ir-silicide nanowires based on STM images and ab-initio calculations is proposed. According to our model, the Ir adatom is on the top of the substrate dimer row and directly binds to the dimer atoms. I-V curves measured at 77 K shows that the nanowires are metallic. DFT calculations confirm strong metallic nature of the nanowires.

Authors:
; ; ;  [1]; ;  [2];  [3]
  1. Department of Physics and Astrophysics, University of North Dakota, Grand Forks, North Dakota 58202 (United States)
  2. Department of Physics, Bilkent University, Ankara (Turkey)
  3. Department of Physics, University of Antwerp, Antwerp 2610 (Belgium)
Publication Date:
OSTI Identifier:
22598815
Resource Type:
Journal Article
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 120; Journal Issue: 9; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ATOMS; DENSITY FUNCTIONAL METHOD; DIAGRAMS; DIMERS; IMAGES; IRIDIUM; NANOWIRES; SCANNING TUNNELING MICROSCOPY; SILICIDES; SILICON; SPECTROSCOPY; SUBSTRATES; SURFACES; TUNNEL EFFECT

Citation Formats

Fatima,, Hossain, Sehtab, Mohottige, Rasika, Oncel, Nuri, Can Oguz, Ismail, Gulseren, Oguz, and Çakır, Deniz. On the structural and electronic properties of Ir-silicide nanowires on Si(001) surface. United States: N. p., 2016. Web. doi:10.1063/1.4961550.
Fatima,, Hossain, Sehtab, Mohottige, Rasika, Oncel, Nuri, Can Oguz, Ismail, Gulseren, Oguz, & Çakır, Deniz. On the structural and electronic properties of Ir-silicide nanowires on Si(001) surface. United States. https://doi.org/10.1063/1.4961550
Fatima,, Hossain, Sehtab, Mohottige, Rasika, Oncel, Nuri, Can Oguz, Ismail, Gulseren, Oguz, and Çakır, Deniz. Wed . "On the structural and electronic properties of Ir-silicide nanowires on Si(001) surface". United States. https://doi.org/10.1063/1.4961550.
@article{osti_22598815,
title = {On the structural and electronic properties of Ir-silicide nanowires on Si(001) surface},
author = {Fatima, and Hossain, Sehtab and Mohottige, Rasika and Oncel, Nuri and Can Oguz, Ismail and Gulseren, Oguz and Çakır, Deniz},
abstractNote = {Iridium (Ir) modified Silicon (Si) (001) surface is studied with Scanning Tunneling Microscopy/Spectroscopy (STM/STS) and Density Functional Theory (DFT). A model for Ir-silicide nanowires based on STM images and ab-initio calculations is proposed. According to our model, the Ir adatom is on the top of the substrate dimer row and directly binds to the dimer atoms. I-V curves measured at 77 K shows that the nanowires are metallic. DFT calculations confirm strong metallic nature of the nanowires.},
doi = {10.1063/1.4961550},
url = {https://www.osti.gov/biblio/22598815}, journal = {Journal of Applied Physics},
issn = {0021-8979},
number = 9,
volume = 120,
place = {United States},
year = {2016},
month = {9}
}