High-temperature domain wall current in Mg-doped lithium niobate single crystals up to 400°C
Fuente:
arXiv
Enregistré dans:
| Auteurs principaux: | , , , , , , , , |
|---|---|
| Format: | Preprint |
| Publié: |
2024
|
| Sujets: | |
| Accès en ligne: | |
| Tags: |
Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
|
| _version_ | 1866910409412313088 |
|---|---|
| author | Yakhnevych, Uliana Kunzner, Marlo Verhoff, Leonard M. Ratzenberger, Julius Beyreuther, Elke Rüsing, Michael Sanna, Simone Eng, Lukas M. Fritze, Holger |
| author_facet | Yakhnevych, Uliana Kunzner, Marlo Verhoff, Leonard M. Ratzenberger, Julius Beyreuther, Elke Rüsing, Michael Sanna, Simone Eng, Lukas M. Fritze, Holger |
| contents | Conductive ferroelectric domain walls (DWs) represent a promising topical system for the development of nanoelectronic components and devices. DWs show very different properties as compared to their bulk counterparts. Of central interest here is the domain wall current (DWC) of charged DWs in 5mol\% Mg-doped lithium niobate single crystals; in contrast to former works, we extend the DWC study here to temperatures as high as 400$^\circ$C. Both the temporal stability and the thermal activation energies of 90 - 160 meV are readily deduced from current-voltage sweeps as recorded over multiple heating cycles. Our experimental work is backed up by atomistic modelling of the DWC. The latter suggests that a large band bending renders head-to-head and tail-to-tail DWs semimetallic. These detailed investigations underline the potential to extend DWC-based nanoelectronic applications even into the so-far unexplored high-temperature regime. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_01214 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | High-temperature domain wall current in Mg-doped lithium niobate single crystals up to 400°C Yakhnevych, Uliana Kunzner, Marlo Verhoff, Leonard M. Ratzenberger, Julius Beyreuther, Elke Rüsing, Michael Sanna, Simone Eng, Lukas M. Fritze, Holger Materials Science Conductive ferroelectric domain walls (DWs) represent a promising topical system for the development of nanoelectronic components and devices. DWs show very different properties as compared to their bulk counterparts. Of central interest here is the domain wall current (DWC) of charged DWs in 5mol\% Mg-doped lithium niobate single crystals; in contrast to former works, we extend the DWC study here to temperatures as high as 400$^\circ$C. Both the temporal stability and the thermal activation energies of 90 - 160 meV are readily deduced from current-voltage sweeps as recorded over multiple heating cycles. Our experimental work is backed up by atomistic modelling of the DWC. The latter suggests that a large band bending renders head-to-head and tail-to-tail DWs semimetallic. These detailed investigations underline the potential to extend DWC-based nanoelectronic applications even into the so-far unexplored high-temperature regime. |
| title | High-temperature domain wall current in Mg-doped lithium niobate single crystals up to 400°C |
| topic | Materials Science |
| url | https://arxiv.org/abs/2404.01214 |