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In the perovskite oxide SrCrO$_{3}$ the interplay between crystal structure, strain and orbital ordering enables a transition from a metallic to an insulating electronic structure under certain conditions. We identified a narrow window of…

The two-dimensional electron gas at the surface of titanates gathered attention due to its potential to replace conventional silicon based semiconductors in the future. In this study, we investigated films of the parent perovskite…

Mesoscale and Nanoscale Physics · Physics 2017-08-08 Stefan Muff , Mauro Fanciulli , Andrew P. Weber , Nicolas Pilet , Zoran Ristic , Zhiming Wang , Nicholas C. Plumb , Milan Radovic , J. Hugo Dil

In this study, we demonstrate the successful fabrication of TiO2/FeSe/STO and TiO2/FeSe/LaAlO3 heterostructures using PLD. When the growth rates were sufficiently low, anatase TiO2, which has been reported to induce superconductivity in…

Superconductivity · Physics 2025-09-30 Tomoki Kobayashi , Hiroki Nakagawa , Ryo Ogawa , Atsutaka Maeda

We propose an unexplored class of absorbing materials for high-efficiency solar cells: heterostructures of transition-metal oxides. In particular, LaVO_3 grown on SrTiO_3 has a direct band gap ~1.1 eV in the optimal range as well as an…

Epitaxial orthorhombic Hf0.5Zr0.5O2 (HZO) films on La0.67Sr0.33MnO3 (LSMO) electrodes show robust ferroelectricity, with high polarization, endurance and retention. However, no similar results have been achieved using other perovskite…

While nature provides a plethora of perovskite materials, only a few exhibits large ferroelectricity and possibly multiferroicity. The majority of perovskite materials have the non-polar CaTiO$_3$(CTO)structure, limiting the scope of their…

Materials Science · Physics 2022-05-25 Hongwei Wang , Fujie Tang , Massimiliano Stengel , Hongjun Xiang , Qi An , Tony Low , Xifan Wu

To form a conducting layer at the interface between the oxide insulators LaAlO3 and SrTiO3, the LaAlO3 layer on the SrTiO3 substrate must be at least four unit-cells-thick. The LaAlO3 SrTiO3 heterointerface thus formed exhibits various…

We present a study on the crystallization process of undoped and Ta doped TiO2 amorphous thin films. In particular, the effect of ultra-fast annealing treatments in environments characterized by different oxygen concentrations is…

The highly conducting and transparent inorganic perovskites SrBO$_3$ with V, Nb, Mo, and their mixtures at the B-site have recently attracted the attention of the oxide electronics community as novel alternative transparent conducting…

Epitaxial Ba0.5Sr0.5TiO3 thin films grown on the (001) LaAlO3 substrates with the ferroelectric transition of about 250K have been investigated by TEM and off-axis electron holography. Cross-sectional TEM observations show that the…

Materials Science · Physics 2009-11-10 H. F. Tian , H. C. Yu , X. H. Zhu , Y. G. Wang , D. N. Zheng , H. X. Yang , J. Q. Li

The properties of single-crystal SrTiO$_{3}$ substrates and homoepitaxial SrTiO$_{3}$ films grown by pulsed laser deposition have been compared, in order to understand the loss of interfacial conductivity when more than a critical thickness…

Tin (IV) oxide (SnO2) sols have been synthesized from SnCl2.2H2O precursor solution by applying two different processing conditions. The prepared sols were then deposited on UV-Ozone treated quartz and soda lime glass (SLG) substrates by…

Materials Science · Physics 2023-01-31 Md. Nur Amin Bitu , Nazmul Islam Tanvir , Suravi Islam , Syed Farid Uddin Farhad

The influence of the deposition pressure PO2 and substrate temperature TS during the growth of Bi2FeCrO6 thin films grown by pulsed laser deposition has been investigated. It is found that the high volatility of Bi makes the deposition very…

Low-weight, passive, thermal-adaptive radiation technologies are needed to maintain an operable temperature for spacecraft while they experience various energy fluxes. In this study, we used a thin-film coating with the Fabry-Perot (FP)…

Long-term stability of superconducting microwave resonators is essential for scalable quantum technologies; however, surface and interface degradation continue to limit device stability. Here, we demonstrate exceptional stability in…

Tungsten trioxide is a versatile material with widespread applications ranging from electrochromic and optoelectronic devices to water splitting and catalysis of chemical reactions. For technological applications, thin films of WO3 are…

Materials Science · Physics 2018-05-22 Giordano Mattoni , Alessio Filippetti , Nicola Manca , Pavlo Zubko , Andrea D. Caviglia

Oxide materials are important candidates for the next generation of electronics due to a wide array of desired properties which they can exhibit alone or when combined with other materials. While SrTiO$_3$ (STO) is often considered a…

Strongly Correlated Electrons · Physics 2019-09-11 Slavko Rebec , Tao Jia , Hafiz Sohail , Makoto Hashimoto , Donghui Lu , Zhixun Shen , Robert Moore

Thin films of transition metal oxides open up a gateway to nanoscale electronic devices beyond silicon characterized by novel electronic functionalities. While such films are commonly prepared in an oxygen atmosphere, they are typically…

Nowadays it has become feasible to perform angle-resolved photoemission spectroscopy (ARPES) measurements of transition-metal oxides with three-dimensional perovskite structures owing to the availability of high-quality single crystals of…

Strongly Correlated Electrons · Physics 2007-05-23 H. Wadati , T. Yoshida , A. Chikamatsu , H. Kumigashira , M. Oshima , H. Eisaki , Z. -X. Shen , T. Mizokawa , A. Fujimori

Water-soluble sacrificial layers based on epitaxially-grown, single crystalline (Ca, Sr, Ba)3Al2O6 layer are widely used for creating free-standing perovskite oxide membranes. However, obtaining these sacrificial layers with intricate…

Materials Science · Physics 2024-05-20 Shivasheesh Varshney , Martí Ramis , Sooho Choo , Mariona Coll , Bharat Jalan
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