English
Related papers

Related papers: Fabrication and electrical transport properties of…

200 papers

Electrically conductive, polymeric materials that maintain their conductivity even when under significant mechanical deformation are needed for actuator electrodes, conformable electromagnetic shielding, stretchable tactile sensors and…

Magneto-transport measurements were performed on surface conducting hydrogen-terminated diamond (100) hall bars at temperatures between 0.1-5 K in magnetic fields up to 8T.

The electrical resistance of detonation nano-diamond powders was measured from liquid nitrogen temperature to room temperature and in relative humidity environments from around 10% to 100%. After sample exposures of several hours at 100%…

Materials Science · Physics 2018-01-12 B. de Mayo

Four samples of transparent conductive films with different numbers of silver nanorings per unit area were produced. The sheet resistance, transparency, and haze were measured for each sample. Using Monte Carlo simulation, we studied the…

This paper reports on the fabrication and characterization of a high purity monocrystalline diamond detector with buried electrodes realized by the selective damage induced by a focused 6 MeV carbon ion beam scanned over a pattern defined…

Instrumentation and Detectors · Physics 2016-08-30 P. Olivero , J. Forneris , M. Jaksic , Z. Pastuovic , F. Picollo , N. Skukan , E. Vittone

We conducted density functional theory (DFT) and molecular dynamics simulations to explore the mechanical/failure, thermal conductivity and stability, electronic and optical properties of three N-graphdiyne nanomembranes. Our DFT results of…

Computational Physics · Physics 2018-05-14 Bohayra Mortazavi , Meysam Makaremi , Masoud Shahrokhi , Zheyong Fan , Timon Rabczuk

This letter reports the impact of surface morphology on the carrier transport and RF performance of graphene FETs formed on epitaxial graphene films synthesized on SiC substrates. Such graphene exhibits long terrace structures with widths…

We report on the first measurement of the thermal conductivity of a suspended single layer graphene. The measurements were performed using a non-contact optical technique. The near room-temperature values of the thermal conductivity in the…

Materials Science · Physics 2008-03-15 A. A. Balandin , S. Ghosh , W. Bao , I. Calizo , D. Teweldebrhan , F. Miao , C. N. Lau

Although progress with twisted graphene nano-devices is boosting the superconductivity that is the consequence of their Moir\'e flat electronic bands, the immense choice for future development is an obstacle for their optimisation. We…

The application of imaging techniques based on ensembles of nitrogen-vacancy (NV) sensors in diamond to characterise electrical devices has been proposed, but the compatibility of NV sensing with operational gated devices remains largely…

We have fabricated (Ga,Mn)As nanostructures in which domain walls can be pinned by sub-10 nm constrictions. Controlled by shape anisotropy, we can switch the regions on either side of the constriction to either parallel or antiparallel…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 C. Ruester , T. Borzenko , C. Gould , G. Schmidt , L. W. Molenkamp , X. Liu , T. J. Wojtowicz , J. K. Furdyna , Z. G. Yu , M. E. Flatte

There have recently been various reports of weak ferromagnetism in graphite (1,2) and synthetic carbon materials (3) such as rhombohedral C60 (4), as well as a theoretical prediction of a ferromagnetic instability in graphene sheets (5).…

Condensed Matter · Physics 2009-11-07 J. M. D. Coey , M. Venkatesan , C. B. Fitzgerald , A. P. Douvalis , I. S. Sanders

We present a combined experimental and theoretical study on the quasi-one-dimensional organic conductor (TMTTF)$_2$PF$_6$, and elucidate the variation of its physical properties under pressure. We fully resolve the crystal structure by…

We report on a quantitative analysis of the magnetic field generated by a continuous current running in metallic micro-wires fabricated on an electrically insulating diamond substrate. A layer of nitrogen-vacancy (NV) centres engineered…

Mesoscale and Nanoscale Physics · Physics 2019-01-31 J. -P. Tetienne , N. Dontschuk , D. A. Broadway , S. E. Lillie , T. Teraji , D. A. Simpson , A. Stacey , L. C. L. Hollenberg

We report transport and magnetization measurements on graphitic materials that have been hydrogenated after being treated with octane. The temperature-dependent electrical resistivity shows anomalies manifested as re-entrant insulator-metal…

Superconductivity · Physics 2020-05-13 Nadina Gheorghiu , Charles R. Ebbing , Timothy J. Haugan

We use the all-diamond tip of an atomic force microscope for the direct engraving of high quality quantum point contacts in GaAs/AlGaAs-heterostructures. The processing time is shortened by two orders of magnitude compared to standard…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. Regul , U. F. Keyser , M. Paesler , F. Hohls , U. Zeitler , R. J. Haug , A. Malave , E. Oesterschulze , D. Reuter , A. D. Wieck

The continuing miniaturization of microelectronics raises the prospect of nanometre-scale devices with mechanical and electrical properties that are qualitatively different from those at larger dimensions. The investigation of these…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. I. Yanson , G. Rubio Bollinger , H. E. van den Brom , N. Agrait , J. M. van Ruitenbeek

In this work we show that for a quasi-2D system of size $\Omega$ and thickness $t$ the resistance goes as $(2\rho/\pi t)\ln(\Omega/W)$, diverging logarithmically with the size. Measurements in highly oriented pyrolytic graphite (HOPG) as…

Strongly Correlated Electrons · Physics 2008-05-28 N. García , P. Esquinazi , J. Barzola-Quiquia , B. Ming , D. Spoddig

In-situ high pressure Raman spectroscopy is used to study monolayer, bilayer and few-layer graphene samples supported on silicon in a diamond anvil cell to 3.5 GPa. The results show that monolayer graphene adheres to the silicon substrate…

A novel nanoelectronic device is constructed by graphyne that is robustly connected between graphene electrodes, where graphyne is composed of hexagonal carbon rings and carbon chains. Owing to similarities between the bond lengths and unit…

Mesoscale and Nanoscale Physics · Physics 2013-07-17 Young I. Jhon , Myung S. Jhon