نتایج جستجو برای: ohmic contact

تعداد نتایج: 164672  

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2007
fatemeh dehghan nayeri behzad esfandiyarpour ashkan behnam ebrahim asl soleimani shamsodin mohajerzadeh

cu-mo and cu-ti contact structures were fabricated on multi-crystalline silicon substrates to provide a low resistance ohmic contact. deposition steps are done in an excellent vacuum chamber by means of electron beam evaporation and samples are then annealed for the realization of an efficient alloy layer. the effects of process parameters such as film thickness, annealing duration and temperat...

2009
PAOLO GHIGGINI

In this article we present infinitely many 3–manifolds admitting infinitely many universally tight contact structures each with trivial Ozsváth–Szabó contact invariants. By known properties of these invariants the contact structures constructed in this article are non weakly symplectically fillable.

2013
F. M. Abbasi T. Hayat A. Alsaedi B. Ahmed

This article looks at the Soret and Dufour effects on the magnetohydrodynamic (MHD) peristaltic flow of variable viscosity fluid in a symmetric channel. Analysis is presented in the presence of Ohmic heating. Results for the stream function, temperature and concentration are constructed. The variations of sundry parameters are analyzed.

Journal: :J. London Math. Society 2011
John B. Etnyre Dishant M. Pancholi

In this note we give a possible generalization of Lutz twist to all dimensions. This reproves the fact that every contact manifold can be given a non-fillable contact structure and also shows great flexibility in the manifolds that can be realized as cores of overtwisted families. We moreover show that R has at least three distinct contact structures.

2005
Paolo Ghiggini

We use the Ozsváth–Szabó contact invariant to produce examples of strongly symplectically fillable contact 3–manifolds which are not Stein fillable. AMS Classification numbers Primary: 57R17 Secondary: 57R57

Journal: :I. J. Robotics Res. 1994
Yildirim Hurmuzlu Dan B. Marghitu

This article deals with the rigid body collisions of planar, kinematic chains with an external surface while in contact with other surfaces. Two solution procedures that cast the impact equations in differential and algebraic forms are developed to solve the general problem. The differential formulation can be used to obtain three sets of solutions based on the kinematic, kinetic, and the energ...

2012
Y. Liu M. K. Bera

The electrical and structural properties of Hf/Al/Ni/Au (20/100/25/50 nm) ohmic contact to n-GaN are reported in this study. Specific contact resistivities of Hf/Al/Ni/Au based contacts have been investigated as a function of annealing temperature and achieve the lowest value of 1.09×10 Ω·cm after annealing at 650 C in vacuum. A detailed mechanism of ohmic contact formation is discussed. By usi...

Journal: :IJEHMC 2011
Ana Moya Anton Guimerà Irene Sánchez Vladimir Laukin Raúl Martín Fernando Ussa Elena Laukhina Concepció Rovira Jaume Veciana José Carlos Pastor Jimeno Rosa Villa Jordi Aguiló

A new portable measuring device for monitoring intraocular pressure with a non invasive system using a prototype of contact lens has been developed. The contact lens is based on a new organic flexible highly piezo-resisitive film sensor that is glued to the central hole of a lens. The measuring system is wire connected to the contact lens and incorporates user interface methods and a Bluetooth ...

2013
Kenji Shiojima Toshifumi Takahashi Naoki Kaneda Tomoyoshi Mishima Kazuki Nomoto

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