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- Title
Interface‐Driven Thermoelectric Switching Performance of VO<sup>+</sup>‐Diffused Soda‐Lime Glass.
- Authors
Alphonse, Carmel Mary Esther; Garlapati, Mohan Muralikrishna; Tyler, Bonnie J.; Arlinghaus, Heinrich F.; Divinski, Sergiy V.; Wilde, Gerhard
- Abstract
Strongly confined NaVO+ segregation and its thermoresponsive functionality at the interface between simple sputter‐deposited amorphous vanadium oxide thin films and soda‐lime glass is substantiated in this work by in situ temperature‐controlled time‐of‐flight secondary‐ion mass spectrometry (ToF‐SIMS). The obtained ToF‐SIMS depth profiles provide unambiguous evidence for a reversible transformation that causes systematic switching of the NaVO+/Na+ and Na+/VO+ intensities upon cycling the temperature between 25 and 340 °C. Subsequently, NaVO complexes are found to be reversibly formed (at 300 °C) in vanadium oxide‐diffused glass, leading to thermoresponsive electrical behavior of the thin‐film glass system. This new segregation and diffusion‐dependent multifunctionality of NaVO+ point toward applications as an advanced material for thermoelectrical/optical switches, in smart windows or in thermal sensors.
- Subjects
GLASS; SMART materials; TIME-of-flight mass spectrometry; ELECTROCHROMIC windows; OXIDE coating; THIN films; OPTICAL switches
- Publication
Physica Status Solidi - Rapid Research Letters, 2021, Vol 15, Issue 7, p1
- ISSN
1862-6254
- Publication type
Article
- DOI
10.1002/pssr.202100077