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We demonstrate a simple and quick method for the measurement of the in-plane thermal conductance of thin films via steady-state IR thermography. The films are suspended above a hole in an opaque substrate and heated by a homogeneous visible…

The main methods grown Cadmium Zinc Telluride (CZT) crystals with high yield and excellent homogeneity are Modified Horizontal Bridgman (MHB) and High Pressure Bridgman (HPB) processes, respectively. In this contribution, the readout system…

Astrophysics · Physics 2008-11-20 Q. Li , A. Garson , P. Dowkontt , J. Martin , M. Beilicke , I. Jung , M. Groza , A. Burger , G. De Geronimo , H. Krawczynski , . , . , . , .

The transverse magnetoresistance of thin films of the Diluted Magnetic Semiconductor Zn$_{1-x}$Co$_{x}$O:Al on glass was studied for temperatures in the range of 5 to 100 K. Measurements were made on thin films grown by rf magnetron…

Mesoscale and Nanoscale Physics · Physics 2017-05-26 R. Martínez-Valdez , H. J. Jiménez-González , L. Angelats-Silva , M. Tomar

High throughput experimental methods are known to accelerate the rate of research, development, and deployment of electronic materials. For example, thin films with lateral gradients in composition, thickness, or other parameters have been…

Applied Physics · Physics 2020-02-19 Yanbing Han , Sage Bauers , Qun Zhang , Andriy Zakutayev

Pulsed neutron diffraction investigations have been performed in the ferroelectric PZT system, Pb(Zr1-xTix)O3, doped with 1%wt. of Nb2O5, as a function of both temperature and composition. The study has been made in a wide range of…

Materials Science · Physics 2009-10-31 B. Noheda , J. A. Gonzalo , M. Hagen

This work reports a pulsed laser-assisted synthesis, detailed structural characterization, and study of plasmonic properties of three sets of TiN/TiNO thin films with high electron density. The first two sets of TiN films were grown at 600C…

We demonstrate applications of a novel scheme which is used for measuring refractive index and thickness of thin film by analyzing the relative phase difference and reflected ratio at reflection point of a monolithic folded Fabry-Perot…

Optics · Physics 2015-06-18 Yu Peng

Halide perovskites have recently gained widespread attention for their exceptional optoelectronic properties which have been illuminated by extensive spectroscopic investigations. In this article, nanophotonic surface-engineering using…

Applied Physics · Physics 2022-05-18 Saswata Halder , Amit Kessel , Noa Mazurski , Uriel Levy

This work represents a particular application of waveguide fabricated by femtosecond laser micromachining technology. More specifically, we report the development of an optical modulator based on the fabrication of single-mode optical…

Optics · Physics 2023-03-22 Amar Ghar , Sanyogita , Utpal Das , P. K. Panigrahi

Surface and ferroelectric properties of PbTiO$_3$ thin films are investigated using an interatomic potential approach with parameters computed from first-principles calculations. We show that a model developed for the bulk describes…

Materials Science · Physics 2009-11-11 M. Sepliarsky , M. G. Stachiotti , R. L. Migoni

Tin sulphide thin films of p-type conductivity were grown on glass substrates. The refractive index of the as grown films, calculated using both Transmission and ellipsometry data were found to follow the Sellmeier dispersion model. The…

Materials Science · Physics 2016-02-02 Yashika Gupta , P. Arun

Due to the non-ionizing property, researchers have chosen to investigate terahertz radiation (THz) Imaging instrumentation for Bio-Sensing applications. The present work is to design and fabricate a near field lens that can focus guided…

Optics · Physics 2017-04-25 P. Babu , S. Ganganagunta

Ferric oxide (Fe2O3) thin films were fabricated on amorphous nonconductive and FTO conductive glass substrates starting from iron acetate nanoparticles by the doctor blade and the spin coating techniques. Thin films of Fe2O3 with and…

The effect of polarization fatigue on the Rayleigh coefficients of ferroelectric lead zirconate titanate (PZT) thin film was systematically investigated. It was found that electrical fatigue strongly affects the Rayleigh behaviour of the…

Materials Science · Physics 2015-06-19 X. J. Lou , H. J. Zhang , Z. D. Luo , F. P. Zhang , Y. Liu , Q. D. Liu , A. P. Fang , B. Dkhil , M. Zhang , X. B. Ren , H. L. He

In this paper Al doped ZnO (AZO) thin films with 0, 3, 6 and 12 at. % Al concentration were prepared by sol-gel method on glass substrates. The deposited films were annealed at different temperatures of 300, 350, 400, 450 and 500 {\deg}C…

Mesoscale and Nanoscale Physics · Physics 2014-12-30 F. Eskandari , M. Ranjbar , P. Kameli , H. Salamati

Oblique angle deposited oxide thin films have opened up new dimensions in fabricating optical interference devices with tailored refractive index profile along thickness by tuning its microstructure by varying angle of deposition.…

Materials Science · Physics 2015-10-27 R B Tokas , S Jena , P Sarkar , S Thakur , N K Sahoo

We describe a novel artificial dielectric material which has applications at millimetre and submillimetre wavelengths. The material is manufactured from layers of metal mesh patterned onto thin polypropylene sheets which are then bonded…

Instrumentation and Methods for Astrophysics · Physics 2011-07-20 Jin Zhang , Peter Ade , Philip Mauskopf , Lorenzo Moncelsi , Giorgio Savini , Nicola Whitehouse

In this work, a plasmonic right-angled waveguide bend and divider are proposed. Using the Transformation Optics (TO) approach the transformation media of a bend and a T-shaped divider are obtained. Such media with continuous refractive…

Optics · Physics 2021-04-07 Samaneh Pakniyat , Shahrokh Jam , Alireza Yahaghi , George W Hanson

Terahertz (THz) radiation is a powerful tool with widespread applications ranging from imaging, sensing, and broadband communications to spectroscopy and nonlinear control of materials. Future progress in THz technology depends on the…

Transformation optics based on conformal mapping (CM) technique provides a practical approach to designing arbitrary-shaped all-dielectric devices. However, CM may result in large impractical refractive indices unachievable by current…

Applied Physics · Physics 2019-03-12 Shahin Firuzi , Shengping Gong
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