Zobrazeno 1 - 10
of 317
pro vyhledávání: '"M. Tyunina"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)
Abstract Knowledge of the explicit mechanisms of charge transport is preeminent for a fundamental understanding of the metal-to-insulator transition in ABO3-type perovskite rare-earth nickelates and for potential applications of these technologically
Externí odkaz:
https://doaj.org/article/6a0d3dc9e0a84e5ea37ce3b0b692483a
Autor:
M. Tyunina, S. Cichon, N. Nepomniashchaia, T. Kocourek, P. Svora, M. Savinov, V. Vetokhina, M. Klementova, A. Dejneka
Publikováno v:
Next Materials, Vol 1, Iss 1, Pp 100003- (2023)
We demonstrate in-situ nitrogen doping of archetypal ABO3 perovskite oxide, SrTiO3. In contrast to ordinary diffusion-based high-temperature nitriding, we employ pulsed laser deposition of thin films, whereto nitrogen is introduced in-situ during the
Externí odkaz:
https://doaj.org/article/e70559cc19c541c78b6fc61dceb274ec
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract The electronic properties, including bandgap and conductivity, are critical for nearly all applications of multifunctional perovskite oxide ferroelectrics. Here we analysed possibility to induce semiconductor behaviour in these materials, wh
Externí odkaz:
https://doaj.org/article/e3069c0ad52147cf84d6c9721f2f34e2
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-6 (2021)
Abstract In scientifically intriguing and technologically important multifunctional ABO3 perovskite oxides, oxygen vacancies are most common defects. They cause lattice expansion and can alter the key functional properties. Here, it is demonstrated t
Externí odkaz:
https://doaj.org/article/f5939ac55e94426e8c04f77865a8d2ef
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
Abstract The intrinsic mobile interfaces in ferroelectrics—the domain walls can drive and enhance diverse ferroelectric properties, essential for modern applications. Control over the motion of domain walls is of high practical importance. Here we
Externí odkaz:
https://doaj.org/article/c013b2c0d4ec44928739784c1ebe1b81
Publikováno v:
APL Materials, Vol 9, Iss 12, Pp 121108-121108-5 (2021)
Cutting-edge acousto-optic devices require optically transparent thin films, which possess a high index of refraction and large elasto-optic coefficients. For the wide near-infrared to ultraviolet spectral region, the mainstream technology employs li
Externí odkaz:
https://doaj.org/article/0b25b7375e754eeeb1831561214f3239
Autor:
M. Tyunina, O. Vetokhina, N. Nepomniashchaia, O. Pacherova, S. Cichon, T. Kocourek, M. Jelinek, A. Dejneka
Publikováno v:
APL Materials, Vol 8, Iss 7, Pp 071107-071107-6 (2020)
Multiple strong impacts of anion doping Λ (Λ = oxygen vacancy, nitrogen, or hydrogen) on the optical properties in the near-infrared to vacuum ultraviolet spectral range are experimentally revealed in cube-on-cube-type epitaxial perovskite BaTiO3
Externí odkaz:
https://doaj.org/article/859a60c246b344a3a1b3f4299a477bf9
Publikováno v:
Physical Review Research, Vol 3, Iss 3, p 033213 (2021)
In perovskite oxide ferroelectrics, gradients of lattice strain are known to induce nanoscale topological structures, leading to novel or enhanced functionality. Here, we experimentally detect and theoretically analyze thickness distribution of struc
Externí odkaz:
https://doaj.org/article/5a1eec149353438fbabed0925cb602f6
Publikováno v:
Physical Review Research, Vol 2, Iss 2, p 023056 (2020)
The existence of out-of-plane-oriented oxygen vacancy dipoles was experimentally established in (001) perovskite epitaxial films of ferroelectric barium titanate by analyses of the crystal and electronic structure as well as the ferroelectric and opt
Externí odkaz:
https://doaj.org/article/a584823344dd4f06b0ef3b90a0fffddf
Publikováno v:
APL Materials, Vol 5, Iss 2, Pp 029901-029901-2 (2017)
Externí odkaz:
https://doaj.org/article/c28bc26eda284a1e9757abf9a8ac527f