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The thermal deposition and transfer Printing method had been used to produce pentacene thin-films on SiO2/Si and plastic substrates (PMMA and PVP), respectively. X-ray diffraction patterns of pentacene thin films showed reflections…

Materials Science · Physics 2009-11-11 Y. Shao , S. A. Solin , D. R. Hines , E. D. Williams

Spray deposition and inkjet printing of various nanostructures are emerging complementary methods for creating conductive coatings on different substrates. In comparison to established deposition techniques like vacuum metal coating and…

We present a simple bottom-up approach via an incoherent unpolarized illumination and the choice of a solvent-droplet-induced-dewetting method to photoinducenano doughnuts on the surface of azopolymer thin films. We demonstrate that…

We report the synthesis of colloidal Mn2+-doped ZnO (Mn2+:ZnO) quantum dots and the preparation of room-temperature ferromagnetic nanocrystalline thin films. Mn2+:ZnO nanocrystals were prepared by a hydrolysis and condensation reaction in…

A series of MnO2 unique nanostructures were synthesized by a facile hydrothermal method with microwave-assisted procedures. A novel nanostructure formation mechanism has been proposed, that MnO6 octahedral nuclei and molecular layers can be…

Mesoscale and Nanoscale Physics · Physics 2012-07-16 R. Zeng , J. Q. Wang , G. D. Du , W. X. Li , Z. X. Chen , S. Li , S. X. Dou

YMnO3 thin films were grown on n - type Si substrate by nebulized spray pyrolysis in Metal - Ferroelectric - Semiconductor (MFS) configuration. The C-V characteristics of the film in MFS structure exhibit hysteretic behavior consistent with…

Materials Science · Physics 2009-11-10 Sachin Parashar , A. R. Raju , C. N. R. Rao , P. Victor , S. B. Krupanidhi

We report the reduction in residual stress of AlN thin films and also the crystal structure, surface morphology and nanomechanical properties of magnetron sputtered as a function of substrate temperature (Ts, 35 - 600 ?C). The residual…

Materials Science · Physics 2017-07-25 Padmalochan Panda , R. Ramaseshan , N Ravi , G. Mangamma , Feby Jose , S. Dash , K. Suzuki , H. Suematsu

Spin gapless semiconductors are interesting novel class of materials by embracing both magnetism and semiconducting. Its potential application in future spintronics requires realization in thin film form. In this letter, we report a…

Materials Science · Physics 2019-08-17 G. Z. Xu , Y. Du , X. M. Zhang , H. G. Zhang , E. K. Liu , W. H. Wang , G. H. Wu

Microwave plasma chemical vapor deposition (MPCVD) has been traditionally used to synthesize carbon-based materials such as diamonds, carbon nanotubes and graphene. Here we report that a rapid and catalyst-free growth of SnSe thin films can…

Materials Science · Physics 2020-04-07 Yuyu Feng , Xi Zhang , Li Lei , Ya Nie , Gang Xiang

Resistivity measurements are reported for single crystals of Mn$_{12}$-Acetate and Fe$_8$Br$_8$. Both materials exhibit a semiconductor-like, thermally activated behavior over the 200-300 K range. The activation energy, $E_a$, obtained for…

Condensed Matter · Physics 2009-11-10 J. M. North , D. Zipse , N. S. Dalal , E. S. Choi , E. Jobiliong , J. S. Brooks , D. L. Eaton

We report the growth of high-quality c-axis-oriented epitaxial MgB2 thin films by using a pulsed laser deposition technique. The thin films grown on (1`1 0 2) Al2O3 substrates show a Tc of 39 K. The critical current density in zero field is…

Superconductivity · Physics 2009-11-07 W. N. Kang , Hyeong-Jin Kim , Eun-Mi Choi , C. U. Jung , Sung-Ik Lee

Superconducting MgB2 thin films were fabricated on Al2O3(0001) substrates under an ex-situ processing conditions. Boron thin films were deposited by pulsed laser deposition followed by a post-annealing process. Resistance measurements of…

Superconductivity · Physics 2019-08-17 S. F. Wang , S. Y. Dai , Y. L. Zhou , Z. H. Chen , D. F. Cui , J. D. Yu , M. He , H. B. Lu , G. Z. Yang

In this work, the results of fabricating ultra thin VO$_2$ films on the technologically relevant amorphous SiO$_2$ surface using reactive DC magnetron sputtering are presented. Results indicate that a post deposition anneal in low partial…

Materials Science · Physics 2016-08-16 Fangfang Song , B. E. White

Arranged patterns obtained by ultrafast laser processing on the surface of Ti/Cu/Ti/Si and Ti/Zr/Ti/Si thin film systems are reported. Two differently designed multilayer thin films, Ti/Cu/Ti/Si and Ti/Zr/Ti/Si, were deposited on silicon by…

We have successfully grown one of the higher manganese silicides, Mn4Si7 thin films on silicon (100) substrates using an ultra-high vacuum deposition with a base pressure of 1x10-9 torr. The thickness of the film was varied from 65-100 nm.…

Materials Science · Physics 2018-04-06 Rajendra P Dulal , Bishnu R Dahal , Ian L Pegg , John Philip

Thin films of uniformly distributed Fe2O3 nanoparticles have been prepared on single crystal silicon and glass substrates by a spray pyrolysis technique in a single step using a mixture of water and ferrocene dissolved in xylene. The size…

Applied Physics · Physics 2020-05-07 Dayanand , Meenu Chahar , Devesh Kumar Pathak , O. P. Thakur , V. D. Vankar , Rajesh Kumar

A route to break molecular nitrogen (N2) under mild conditions is demonstrated by N2 gas cracking on, and incorporation into, lanthanide films. Successful growth of lanthanide nitride thin films, made by evaporation of lanthanides in a…

The formation of patterned nanostructure in AgCo/Pt/MgO(001) thin film is simulated by a technique of combining molecular dynamics and phase-field theory. The dislocation (strain) network existing in Pt/MgO is used as a template whose…

Materials Science · Physics 2009-11-07 Zhi-Rong Liu , Huajian Gao , L. Q. Chen , Kyeongjae Cho

Atomic force nanolithography provides a precise method for sculpting magnetic thin films, enabling controlled engineering of magnetic anisotropy in soft ferromagnets at the microscale. We demonstrate that nanoscale groove arrays patterned…

Highly ordered and self supported anatase TiO2 nanoparticle chains were fabricated by calcining conformally TiO2 coated multi-walled carbon nanotubes (MWCNTs). During annealing, the thin tubular TiO2 coating that was deposited onto the…