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We report on a systematic study of the growth of epitaxial TiO2 films deposited by pulsed laser deposition on Ti-terminated (001) SrTiO3 single crystals. By using in-situ reflection high energy electron diffraction, low energy electron…

Materials Science · Physics 2015-05-27 M. Radovic , M. Salluzzo , Z. Ristic , R. Di Capua , N. Lampis , R. Vaglio , F. Miletto Granozio

We have fabricated Na_xCoO_2 thin films via lateral diffusion of sodium into Co_3O_4 (111) epitaxial films (reactive solid-phase epitaxy: Ref. 4). The environment of thermal diffusion is key to the control of the sodium content in thin…

Strongly Correlated Electrons · Physics 2009-11-13 W. J. Chang , C. C. Hsieh , T. Y. Chung , S. Y. Hsu , K. H. Wu , T. M. Uen , J. -Y. Lin , J. J. Lin , C. H. Hsu , Y. K. Kuo , H. L. Liu , M. H. Hsu , Y. S. Gou , J. Y. Juang

The structure and strain of ultrathin CoO films grown on a Pt(001) substrate and on a ferromagnetic PtFe pseudomorphic layer on Pt(001) have been determined with insitu and real time surface x-ray diffraction. The films grow epitaxially on…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Anne D. Lamirand , Maurizio De Santis , Marcio M. Soares , Aline Y. Ramos , Stephane Grenier , Helio C. N. Tolentino

Orientation, structure and morphology in the early growth stages of CuO films on strontium titanate were studied by synchrotron radiation X-ray diffraction. Nanostructured CuO films were obtained by ex situ heat treatment at 970 K in oxygen…

The surface termination of (100)-oriented LaAlO3 (LAO) single crystals was examined by atomic force microscopy and optimized to produce a single-terminated atomically flat surface by annealing. Then the atomically flat STO film was achieved…

Materials Science · Physics 2012-05-09 Z. Q. Liu , Z. Huang , W. M. Lü , K. Gopinadhan , X. Wang , A. Annadi , T. Venkatesan , Ariando

The LaAlO3/SrTiO3 (001) thin film materials system was studied using in situ, simultaneous x-ray diffuse scattering and specular reflectivity during pulsed laser deposition. Using this method, we are able to measure the time dependence of…

Materials Science · Physics 2010-10-28 J. D. Ferguson , Y. Kim , A. R. Woll , J. D. Brock

Pure rutile Co-doped TiO$_2$ films were fabricated successfully by the conventional pulsed laser deposition technique on silicon substrates from a ceramic target. Under the right fabrication conditions, Co concentration in the films could…

Materials Science · Physics 2009-11-10 Nguyen Hoa Hong , Joe Sakai , W. Prellier , Awatef Hassini

SrVO3 thin films with a high figure of merit for applications as transparent conductors were crystallized from amorphous layers using solid phase epitaxy (SPE). Epitaxial SrVO3 films crystallized on SrTiO3 using SPE exhibit a room…

The surface structure of SrTiO3(001) thin films homoepitaxially grown by PLD in step-flow mode was characterized using low temperature STM. It was found that one-dimensional (1D) TiOx-based nanostructures were formed on the thin film…

Materials Science · Physics 2015-05-18 Katsuya Iwaya , Takeo Ohsawa , Ryota Shimizu , Tomihiro Hashizume , Taro Hitosugi

Transparent conducting oxides (TCOs) are essential components of optoelectronic devices and various materials have been explored for highly efficient TCOs having a combination of high transmittance and low sheet resistance. Here, we focus…

Materials Science · Physics 2023-08-08 Reiji Okada , Hiroto Isomura , Yoshiki J. Sato , Ryuji Okazaki , Masayuki Inoue , Shinya Yoshioka

In this paper we reported, to the best of our knowledge, the first deposition of highly oriented thin films (with thickness of about 90 nm) of NdCoO3 and Nd0.8Sr0.2CoO3 cobaltites on single-crystalline STO and LAO substrates. Our…

Comparison between single- and the poly-crystalline structures provides essential information on the role of long-range translational symmetry and grain boundaries. In particular, by comparing single- and poly-crystalline transition metal…

The experimental research on the nature of diffusion by the Mo substrate atoms into the Ti and Cr deposited thin films is completed by the secondary ion-ion emission method. In [1], the initial stage of the Ti thin film on the Mo substrate…

Materials Science · Physics 2012-09-24 A. D. Abramenkov , Ya. M. Fogel , V. V. Slyozov , L. V. Tanatarov , Oleg P. Ledenyov

The interface and electronic structure of thin (~20-74 nm) Co3O4(110) epitaxial films grown by oxygen-assisted molecular beam epitaxy on MgAl2O4(110) single crystal substrates have been investigated by means of real and reciprocal space…

The mobility of lighter species on the surface of interstellar dust grains plays a crucial role in forming simple through complex molecules. Carbon monoxide is one of the most abundant molecules, its surface diffusion on the grain surface…

Astrophysics of Galaxies · Physics 2022-03-30 Kinsuk Acharyya

SrTiO$_{3}$ is one of the most popular insulating single-crystal substrates for various complex-oxide thin film growths, because of its good lattice match with many complex oxide films. Here, we show that a common thin film processing…

Materials Science · Physics 2011-10-11 Heiko Gross , Namrata Bansal , Yong-Seung Kim , Seongshik Oh

Nanocrystalline textured EuO thin films are prepared by an oxygen loss process from a pure Eu2O3 bulk ceramic target through pulsed laser deposition in vacuum at room temperature. X-ray diffraction spectra evidence a well-defined…

We report on Boron diffusion and subsequent crystallization of Co$_{40}$Fe$_{40}$B$_{20}$ (CoFeB) thin films on SiO$_2$/Si(001) substrate using pulsed laser deposition. Secondary ion mass spectroscopy reveals Boron diffusion at the…

Materials Science · Physics 2013-07-29 G. Venkat Swamy , Himanshu Pandey , A. K. Srivastava , M. K. Dalai , K. K. Maurya , Rashmi , R. K. Rakshit

High temperatures promote kinetic processes which can drive crystal synthesis towards ideal thermodynamic conditions, thereby realizing samples of superior quality. While accessing very high temperatures in thin-film epitaxy is becoming…

Materials Science · Physics 2024-11-06 Jeong Rae Kim , Sandra Glotzer , Adrian Llanos , Salva Salmani-Rezaie , Joseph Falson

Single-particle small-angle X-ray scattering (SP-SAXS) enables quantitative morphological analysis by recording diffraction snapshots from isolated particles using X-ray free-electron laser (XFEL) pulses. Unlike conventional X-ray…

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