Oxygen thermomigration in acceptor-doped perovskite
Author:
Affiliation:
1. Department of Materials Science and Engineering
2. Seoul National University
3. Seoul 151-744
4. Korea
Abstract
The recent practice with qO* = ΔHm > 0 in treating O-thermomigration in memristive oxides is absolutely not the case. For the case of memristive perovskite CaTi0.90Sc010O2.95+δ, its mobile oxygen turns from thermophilic (qO* < 0) to thermophobic (qO* > 0) as the minority electronic carrier type shift from electrons to holes with increasing oxygen activity.
Publisher
Royal Society of Chemistry (RSC)
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy
Link
http://pubs.rsc.org/en/content/articlepdf/2017/CP/C7CP00384F
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