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Rare earth perovskite oxides constitute a wide family of materials presenting functional proper- ties strongly coupled to their crystalline structure. Here, we report on the experimental results on epitaxial PrVO3 deposited on SrTiO3 single…

The crystal structure determines many of the physical properties of oxide perovskites (ABO$_3$) and only a tiny modification of the lattice structure causes major changes in the functional properties through the interplay among spin,…

The structure and microstrucutre of fully-strained BiCrO3 thin films have been investigated by X-rays diffraction and transmission electron microscopy, at room temperature. Interestingly, three structural variants are simultaneously…

Materials Science · Physics 2010-06-04 Adrian David , Philippe Boullay , Vengadesh Mangalam , Nicolas Barrier , Wilfrid Prellier

The functional properties of devices based on perovskite oxides depend strongly on the growth modes that dramatically affect surface morphology and microstructure of the hetero-structured thin films. To achieve atomically flat surface…

Materials Science · Physics 2017-10-10 Bora Kim , Sang A Lee , Daehee Seol , Woo Seok Choi , Yunseok Kim

The first examples of single crystal epitaxial thin films of a high entropy perovskite oxide are synthesized. Pulsed laser deposition is used to grow the configurationally disordered ABO3 perovskite, Ba(Zr0.2Sn0.2Ti0.2Hf0.2Nb0.2)O3,…

Understanding and controlling the growth of chalcogenide perovskite thin films through interface design is important for tailoring film properties. Here, the film and interface structure of BaZr(S,Se)$_3$ thin films grown on LaAlO$_3$ by…

Materials Science · Physics 2024-08-01 Michael Xu , Kevin Ye , Ida Sadeghi , Rafael Jaramillo , James M. LeBeau

Transition metal perovskite oxides display a variety of emergent phenomena which are tunable by tailoring the oxygen octahedral rotation. SrRuO$_3$, a ferromagnetic perovskite oxide, is well-known to have various atomic structures and…

Materials Science · Physics 2022-11-01 Byungmin Sohn , Changyoung Kim

Lattice structure can dictate electronic and magnetic properties of a material. Especially, reconstruction at a surface or heterointerface can create properties that are fundamentally different from those of the corresponding bulk material.…

Materials Science · Physics 2021-06-21 Prahald Siwakoti , Zhen Wang , Mohammad Saghayezhian , David Howe , Zeeshan Ali , Yimei Zhu , Jiandi Zhang

Oxide electronics relies on the availability of epitaxial oxide thin films. The extreme flexibility of the chemical composition of ABO3 perovskites and the broad spectrum of properties they cover, inspire the creativity of scientists and…

Materials Science · Physics 2014-04-01 Florencio Sanchez , Carmen Ocal , Josep Fontcuberta

ABO3 oxides with the perovskite-related structures are attracting significant interest due to their promising physical and chemical properties for many applications requiring tunable chemistry, including fuel cells, catalysis, and…

Materials Science · Physics 2021-07-13 Su Jeong Heo , Andriy Zakutayev

We demonstrate the making of BaZrS3 thin films by molecular beam epitaxy (MBE). BaZrS3 forms in the orthorhombic distorted-perovskite structure with corner-sharing ZrS6 octahedra. The single-step MBE process results in films smooth on the…

Materials Science · Physics 2021-05-24 Ida Sadeghi , Kevin Ye , Michael Xu , James M. LeBeau , R. Jaramillo

Perovskite oxides hetero-structures are host to a large number of interesting phenomena such as ferroelectricity and 2D-superconductivity. Ferroelectric perovskite oxides have been of significant interest due to their possible use in…

SrTiO$_{3}$ (STO) epitaxial thin films and heterostructures are of considerable interest due to the wide range of functionalities they exhibit. The alloy perovskite (LaAlO$_{3}$)$_{0.3}$-(Sr$_{2}$AlTaO$_{6}$)$_{0.7}$ (LSAT) is commonly used…

Materials Science · Physics 2015-09-29 Ryan B. Comes , Peng Xu , Bharat Jalan , Scott A. Chambers

Thin films of perovskite Ruthenates of the general formula ARuO3 (A = Ca and Sr) are versatile electrical conductors for viable oxide electronics. They are also scientifically intriguing, as they exhibit non-trivial electromagnetic ground…

Synthesizing metastable phase often opens new functions in materials but is a challenging topic. Thin film techniques have advantages to form materials which do not exist in nature since nonequilibrium processes are frequently utilized. In…

The interaction of atomic orbitals at the interface of perovskite oxide heterostructures has been investigated for its profound impact on the band structures and electronic properties, giving rise to unique electronic states and a variety…

Controlling grain orientations within polycrystalline all-inorganic halide perovskite solar cells can help increase conversion efficiencies toward their thermodynamic limits, however the forces governing texture formation are ambiguous.…

Advances in synthesis techniques and materials understanding have given rise to oxide heterostructures with intriguing physical phenomena that cannot be found in their constituents. In these structures, precise control of interface quality,…

The electronic and magnetic properties in ABO3 perovskite oxides are extremely sensitive to lattice structure but also the dimensionality, such as the thickness in thin film form. Here, we report the thickness-dependent electro-magnetic…

Materials Science · Physics 2022-12-26 Zeeshan Ali , Mohammad Saghayezhian , Prahald Siwakoti , Roshan Nepal , Jiandi Zhang

The growth of SrRuO$_3$ (SRO) thin film with high-crystallinity and low residual resistivity (RR) is essential to explore its intrinsic properties. Here, utilizing the adsorption-controlled growth technique, the growth condition of initial…

Materials Science · Physics 2021-12-28 Uddipta Kar , Akhilesh Kr. Singh , Song Yang , Chun-Yen Lin , Bipul Das , Chia-Hung Hsu , Wei-Li Lee
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