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We present the theoretical investigation of the single walled carbon nanotubes (SWNTs) as the heating agent of photothermal therapy. In our model, the SWNT is modeled by rigid tube surrounded by cancer cells. In this model, we neglect the…

Medical Physics · Physics 2016-11-28 Syahril Siregar , Israr Ul Haq , Ryo Nagaoka , Yoshifumi Saijo

Thin films of superconducting V$_3$Si were prepared by means of RF sputtering from a compound V$_3$Si target at room temperature onto sapphire and oxide-coated silicon wafers, followed by rapid thermal processing under secondary vacuum. The…

We present a new technique for measuring the critical temperature Tc in the high pressure, high Tc electron-phonon-driven superconducting hydrides. This technique does not require connecting leads to the sample. In the multiphonon region of…

Superconductivity · Physics 2018-08-01 J. P. Carbotte , E. J. Nicol , T. Timusk

In this study, the synthesis of multi-walled carbon nanotubes (MWCNTs) was carried out by chemical vapor deposition (CVD) using propane as the carbon source and Si as the catalyst support. The effect of CVD process variables such as…

Applied Physics · Physics 2018-08-21 Joydip Sengupta

Structural and thermal characteristics of crystalline ropes of single-wall carbon nanotubes (SWCNTs) are investigated. Novel crystalline ropes of polygonized SWCNTs produced by laser irradiation exhibit rounded-hexagonal cross sections in…

Materials Science · Physics 2015-10-28 M. J. Lopez , A. Rubio , J. A. Alonsos

We report the effect of varying cobalt thickness on the temperature-dependent time decay of the electrical resistance of Co/Sb multilayer samples. We find that for a given temperature, a five fold change in the Co thickness produces a 100…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 M. R. Madden , T. Alshammary , B. Grove , J. Phillips , K. Reaz , S. Hensley , G. G. Kenning

Telecommunications and polarimetry both require the active control of the polarization of light, Currently, this is done by combining intrinsically anisotropic materials with tunable isotropic materials into heterostructures using…

Transfer printing methods are used to pattern and assemble monolithic carbon nanotube (CNT) thin-film transistors on large-area transparent, flexible substrates. Airbrushed CNT thin-films with sheet resistance 1kOhmsquare^{-1} at 80%…

Materials Science · Physics 2015-03-17 V. K. Sangwan , A. Southard , T. L. Moore , V. W. Ballarotto , D. R. Hines , M. S. Fuhrer , E. D. Williams

Identifying the operative mode of phase separation (spinodal decomposition (SD) or nucleation-growth (NG)) remains a largely unexplored area of research in spite of its importance. The present work examines this critically in Fe-Cr system…

Materials Science · Physics 2023-02-24 Sudip Kumar Sarkar , Debes Ray , Debasis Sen , Aniruddha Biswas

We report investigation of structural phase transitions in technologically important material sodium niobate as a function of temperature on heating over 300-1075 K. Our high resolution powder neutron diffraction data show variety of…

Materials Science · Physics 2015-05-20 S. K. Mishra , R. Mittal , V. Yu. Pomjakushin , S. L. Chaplot

In this paper, we present a new theoretical model for the dielectrophoresis (DEP) process of the single-walled carbon nanotubes (SWCNT). We obtain a different frequency interval for the alignment of wide energy gap semiconductor SWCNTs…

Thermal phase transition temperatures of high and low melting point agarose gels were investigated by using the UV-vis spectroscopy techniques. Transmitted light intensities from the gel samples with different agarose concentrations were…

Soft Condensed Matter · Physics 2017-04-03 Arif Selcuk Ogrenci , Onder Pekcan , Selim Kara , Ayse Humeyra Bilge

The thermal conductivity of silicon nanowires (SiNWs) is investigated by molecular dynamics (MD) simulation. It is found that the thermal conductivity of SiNWs can be reduced exponentially by isotopic defects at room temperature. The…

Materials Science · Physics 2015-05-13 Nuo Yang , Gang Zhang , Baowen Li

Photoconductivity of single-crystalline selenium nanotubes (SCSNT) under a range of illumination intensities of a 633nm laser is carried out with a novel two terminal device arrangement at room temperature. It's found that SCSNT forms…

Materials Science · Physics 2008-06-18 Peng Liu , Yurong Ma , Weiwei Cai , Zhenzhong Wang , Limin Qi , Dongmin Chen

AFM manipulation was used to controllably stretch individual metallic single-walled carbon nanotubes (SWNTs). We have found that SWNTs can sustain elongations as great as 30% without breaking. Scanned gate microscopy and transport…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 D. Bozovic , M. Bockrath , J. H. Hafner , C. M. Lieber , H. Park , M. Tinkham

In this study, a recently introduced order parameter called the weighted coordination number (WCN) was used to investigate the liquid-liquid (LL) phase separation, indicating temperature-dependent coarsening of the LL interface as a…

Statistical Mechanics · Physics 2026-04-16 Jayme Brickley , Xueyu Song

The strikingly different charge transport behaviors in nanocomposites of multiwall carbon nanotubes (MWNTs) and conducting polymer polyethylene dioxythiophene - polystyrene sulfonic acid (PEDOT-PSS) at low temperatures are explained by…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Paramita Kar Choudhury , S. Ramaprabhu , K. P. Ramesh , Reghu Menon

Fluorescent semiconducting single-walled carbon nanotubes (SWCNTs) hold considerable promise for photonics. Furthermore, the optical characteristics of the material can be significantly improved by covalent modification, which generates new…

This paper examines the effect of temperature on the structural stability and mechanical properties of 20 layered (10,10) single walled carbon nanotubes (SWCNTs) under tensile loading using an O(N) tight binding molecular dynamics (TBMD)…

Materials Science · Physics 2009-11-13 G. Dereli , B. Sungu

Deterministic enhancement of the superconducting (SC) critical temperature $T_c$ is a long-standing goal in material science. One strategy is engineering a material at the nanometer scale such that quantum confinement strengthens the…

Superconductivity · Physics 2016-03-30 Uwe S. Pracht , Nimrod Bachar , Lara Benfatto , Guy Deutscher , Eli Farber , Martin Dressel , Marc Scheffler