Diffusivity of the interstitial hydrogen shallow donor in In2O3
Abstract
Hydrogen has been found to be an n-type dopant in In2O3 that gives rise to unintentional conductivity. An infrared (IR) absorption line observed at 3306 cm–1 has been assigned to the Hi+ center. In this work, two types of experiments have been performed to determine the diffusivity of Hi+ in In2O3 from its IR absorption spectra. (i) At temperatures near 700 K, the O-H line at 3306 cm–1 has been used to determine the diffusivity of Hi+ from its in-diffusion and out-diffusion behaviors. (ii) At temperatures near 160 K, stress has been used to produce a preferential alignment of the Hi+ center that has been detected in IR absorption experiments made with polarized light. With the help of theory, the kinetics with which a stress-induced alignment can be produced yield the time constant for a single jump of the Hi+ center and also the diffusivity of Hi+ near 160 K. The combination of the diffusivity of Hi+ found near 700 K by mass-transport measurements and that found near 160 K from the time constant for a single Hi+ jump determines the diffusivity for Hi+ over eleven decades!
- Authors:
-
[1];
[1];
[2]
- Lehigh Univ., Bethlehem, PA (United States). Dept. of Physics
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science & Technology Division
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
- OSTI Identifier:
- 1399982
- Alternate Identifier(s):
- OSTI ID: 1398294
- Grant/Contract Number:
- AC05-00OR22725; DMR 1160756
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Applied Physics
- Additional Journal Information:
- Journal Volume: 123; Journal Issue: 16; Journal ID: ISSN 0021-8979
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Qin, Ying, Weiser, Philip, Villalta, Karla, Stavola, Michael, Fowler, W. Beall, Biaggio, Ivan, and Boatner, Lynn. Diffusivity of the interstitial hydrogen shallow donor in In2O3. United States: N. p., 2017.
Web. doi:10.1063/1.4995593.
Qin, Ying, Weiser, Philip, Villalta, Karla, Stavola, Michael, Fowler, W. Beall, Biaggio, Ivan, & Boatner, Lynn. Diffusivity of the interstitial hydrogen shallow donor in In2O3. United States. https://doi.org/10.1063/1.4995593
Qin, Ying, Weiser, Philip, Villalta, Karla, Stavola, Michael, Fowler, W. Beall, Biaggio, Ivan, and Boatner, Lynn. Fri .
"Diffusivity of the interstitial hydrogen shallow donor in In2O3". United States. https://doi.org/10.1063/1.4995593. https://www.osti.gov/servlets/purl/1399982.
@article{osti_1399982,
title = {Diffusivity of the interstitial hydrogen shallow donor in In2O3},
author = {Qin, Ying and Weiser, Philip and Villalta, Karla and Stavola, Michael and Fowler, W. Beall and Biaggio, Ivan and Boatner, Lynn},
abstractNote = {Hydrogen has been found to be an n-type dopant in In2O3 that gives rise to unintentional conductivity. An infrared (IR) absorption line observed at 3306 cm–1 has been assigned to the Hi+ center. In this work, two types of experiments have been performed to determine the diffusivity of Hi+ in In2O3 from its IR absorption spectra. (i) At temperatures near 700 K, the O-H line at 3306 cm–1 has been used to determine the diffusivity of Hi+ from its in-diffusion and out-diffusion behaviors. (ii) At temperatures near 160 K, stress has been used to produce a preferential alignment of the Hi+ center that has been detected in IR absorption experiments made with polarized light. With the help of theory, the kinetics with which a stress-induced alignment can be produced yield the time constant for a single jump of the Hi+ center and also the diffusivity of Hi+ near 160 K. The combination of the diffusivity of Hi+ found near 700 K by mass-transport measurements and that found near 160 K from the time constant for a single Hi+ jump determines the diffusivity for Hi+ over eleven decades!},
doi = {10.1063/1.4995593},
journal = {Journal of Applied Physics},
number = 16,
volume = 123,
place = {United States},
year = {Fri Oct 06 00:00:00 EDT 2017},
month = {Fri Oct 06 00:00:00 EDT 2017}
}
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Works referencing / citing this record:
Tutorial: Novel properties of defects in semiconductors revealed by their vibrational spectra
journal, April 2018
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- Journal of Applied Physics, Vol. 123, Issue 16