Blar i NTNU Open på forfatter "Chernyshov, Dmitry"
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Crystallization and Texturing of SrxBa1–xNb2O6 Thin Films Prepared by Aqueous Solution Deposition─An In Situ X-ray Diffraction Study
Pedersen, Viviann Hole; Blichfeld, Anders Bank; Bakken, Kristine; Chernyshov, Dmitry; Grande, Tor; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2022)Aqueous chemical solution deposition (CSD) is an environmentally friendly and highly flexible fabrication route to prepare oxide thin films. Here, we present an aqueous CSD process for ferroelectric SrxBa1–xNb2O6 (SBN) ... -
Electromechanical properties of uniaxial polar ionic plastic crystal [(C2H5)4N][FeBrCl3]
Walker, Julian Bradley; Sødahl, Elin Dypvik; Scherrer, Simon Wolfgang; Marshall, Kenneth Paul; Chernyshov, Dmitry; Berland, Kristian; Rojac, Tadej (Peer reviewed; Journal article, 2024)Ferroelectric plastic crystals are an emerging class of materials that combine room temperature ferroelectricity and piezoelectricity with a high temperature plastic mesophase prior to melting. These materials offer ... -
Experimental setup for high-temperature in situ studies of crystallization of thin films with atmosphere control
Blichfeld, Anders Bank; Bakken, Kristine; Chernyshov, Dmitry; Glaum, Julia; Grande, Tor; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2020)Understanding the crystallization process for chemical solution deposition (CSD) processed thin films is key in designing the fabrication strategy for obtaining high-quality devices. Here, an in situ sample environment is ... -
In situ X-ray diffraction studies of the crystallization of K0. 5Na0. 5NbO3 powders and thin films from an aqueous synthesis route
Bakken, Kristine; Gaukås, Nikolai Helth; Grendal, Ola Gjønnes; Blichfeld, Anders Bank; Tominaka, Satoshi; Ohara, Koji; Chernyshov, Dmitry; Glaum, Julia; Grande, Tor; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2021)Aqueous chemical solution deposition is a promising route for ferroelectric K0.5Na0.5NbO3 (KNN) thin films, requiring a stable precursor solution with complexed Nb5+. Here, we report on the local structure of Nb-complexes ... -
Mechanisms for texture in BaTiO3 thin films from aqueous chemical solution deposition
Bakken, Kristine; Blichfeld, Anders Bank; Chernyshov, Dmitry; Grande, Tor; Glaum, Julia; Einarsrud, Mari-Ann (Journal article; Peer reviewed, 2020)The prototype piezoelectric material BaTiO3 is widely used in e.g., capacitators. Chemical solution deposition (CSD) of BaTiO3 films is a simple and environmentally friendly processing route, but insight in the crystallization ... -
Mesophase Transitions in [(C2H5)4N][FeBrCl3] and [(CH3)4N][FeBrCl3] Ferroic Plastic Crystals
Walker, Julian; Marshall, Kenneth Paul; Beceiro, Jorge Salgado; Williamson, Benjamin; Løndal, Nora Statle; Castro-Garcia, Socorro; Andújar, Manuel Sánchez; Selbach, Sverre Magnus; Chernyshov, Dmitry; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2022)Plastic crystals are supramolecular materials that possess a unique high entropy mesophase at elevated temperatures, where a long-range structural symmetry coexists with a local molecular orientational disorder. The ... -
Tailoring preferential orientation in BaTiO3-based thin films from aqueous chemical solution deposition
Bakken, Kristine; Blichfeld, Anders Bank; Nylund, Inger-Emma; Chernyshov, Dmitry; Glaum, Julia; Grande, Tor; Einarsrud, Mari-Ann (Journal article, 2021)Ferroelectric properties of thin films can be enhanced by crystallographic texture. In this work, we report on how heat treatment of films can be designed to tailor the degree of preferential orientation in BaTiO3-based ... -
Thermal expansion of SrxBa1−xNb2O6 across and above the ferroelectric phase transition
Pedersen, Viviann Hole; Chavez Panduro, Elvia Anabela; Hua, Weicheng; Michaelsen, Marcus Grand; Chernyshov, Dmitry; Walker, Julian Bradley; Grande, Tor; Einarsrud, Mari-Ann (Peer reviewed; Journal article, 2024)Lead-free SrxBa1−xNb2O6(SBN) is of interest due to flexible chemistry, ferroelectric behavior, and electro-optic properties. The thermal expansion coefficient for SBN is reported only for compositions x = 0.35–0.59 and ...