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Title: Beyond electrostatic modification: design and discovery of functional oxide phases via ionic-electronic doping

Abstract

A new research field of functional materials and device physics is emerging that combines ionic transport with charge carrier modulation to realize emergent physical properties and discovery of metastable phases. The paradigm for enabling function extends far beyond carrier accumulation or depletion in band semiconductors or simply moving ions through an insulating electrolyte. Rather, by careful selection of electronically or structurally fragile materials, one can collapse or open band gaps via extreme ionic dopant concentration, or reconfigure their entire crystal structure to create new phases. Electron-electron and electron-lattice interactions can be coupled or controlled independently in such systems via electric fields without thermal constraints by use of ionic dopants. The unifying theme across these studies is to introduce ions and electrons via electric fields through interfaces with electrochemistry playing a dominant role. In this review, we briefly summarize this nascent field of iontronics and discuss principal results to date with examples from binary and complex oxides as well as selected 2D materials systems. Here, we conclude the review by highlighting gaps in fundamental scientific understanding and prospects for the use of such novel devices in future electronic, photonic and energy technologies.

Authors:
 [1];  [1];  [2];  [3];  [2];  [1]
  1. Purdue Univ., West Lafayette, IN (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Osaka Univ., Osaka (Japan)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; Air Force Research Laboratory (AFRL), Air Force Office of Scientific Research (AFOSR); Argonne National Laboratory, Advanced Photon Source; USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Scientific User Facilities Division
OSTI Identifier:
1480309
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Advances in Physics: X
Additional Journal Information:
Journal Volume: 4; Journal Issue: 1; Journal ID: ISSN 2374-6149
Publisher:
Taylor & Francis
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Functional oxides; Iontronics; ionic-electronic doping; two dimensional materials

Citation Formats

Zhang, Hai -Tian, Zhang, Zhen, Zhou, Hua, Tanaka, Hidekazu, Fong, Dillon D., and Ramanathan, Shriram. Beyond electrostatic modification: design and discovery of functional oxide phases via ionic-electronic doping. United States: N. p., 2018. Web. doi:10.1080/23746149.2018.1523686.
Zhang, Hai -Tian, Zhang, Zhen, Zhou, Hua, Tanaka, Hidekazu, Fong, Dillon D., & Ramanathan, Shriram. Beyond electrostatic modification: design and discovery of functional oxide phases via ionic-electronic doping. United States. doi:10.1080/23746149.2018.1523686.
Zhang, Hai -Tian, Zhang, Zhen, Zhou, Hua, Tanaka, Hidekazu, Fong, Dillon D., and Ramanathan, Shriram. Tue . "Beyond electrostatic modification: design and discovery of functional oxide phases via ionic-electronic doping". United States. doi:10.1080/23746149.2018.1523686. https://www.osti.gov/servlets/purl/1480309.
@article{osti_1480309,
title = {Beyond electrostatic modification: design and discovery of functional oxide phases via ionic-electronic doping},
author = {Zhang, Hai -Tian and Zhang, Zhen and Zhou, Hua and Tanaka, Hidekazu and Fong, Dillon D. and Ramanathan, Shriram},
abstractNote = {A new research field of functional materials and device physics is emerging that combines ionic transport with charge carrier modulation to realize emergent physical properties and discovery of metastable phases. The paradigm for enabling function extends far beyond carrier accumulation or depletion in band semiconductors or simply moving ions through an insulating electrolyte. Rather, by careful selection of electronically or structurally fragile materials, one can collapse or open band gaps via extreme ionic dopant concentration, or reconfigure their entire crystal structure to create new phases. Electron-electron and electron-lattice interactions can be coupled or controlled independently in such systems via electric fields without thermal constraints by use of ionic dopants. The unifying theme across these studies is to introduce ions and electrons via electric fields through interfaces with electrochemistry playing a dominant role. In this review, we briefly summarize this nascent field of iontronics and discuss principal results to date with examples from binary and complex oxides as well as selected 2D materials systems. Here, we conclude the review by highlighting gaps in fundamental scientific understanding and prospects for the use of such novel devices in future electronic, photonic and energy technologies.},
doi = {10.1080/23746149.2018.1523686},
journal = {Advances in Physics: X},
number = 1,
volume = 4,
place = {United States},
year = {Tue Oct 23 00:00:00 EDT 2018},
month = {Tue Oct 23 00:00:00 EDT 2018}
}

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