English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

The evolution from superconducting LiTi2O4-delta to insulating Li4Ti5O12 thinfilms has been studied by precisely adjusting the oxygen pressure during thesample fabrication process. In the superconducting LiTi2O4-delta films, withthe increase of oxygen pressure, the oxygen vacancies are filled, and thec-axis lattice constant decreases gradually. With the increase of the oxygenpressure to a certain critical value, the c-axis lattice constant becomesstable, which implies that the Li4Ti5O12 phase comes into being. The process ofoxygen filling is manifested by the angular bright-field images of the scanningtransmission electron microscopy techniques. The temperature ofmagnetoresistance changed from positive and negative shows a non-monotonousbehavior with the increase of oxygen pressure. The theoretical explanation ofthe oxygen effects on the structure and superconductivity of LiTi2O4-delta hasalso been discussed in this work.

The effects of oxygen in spinel oxide Li1+xTi2-xO4-delta thin films