What are the d.c. sputter system parameters that affect surface morphology of deposited thin film?

When we deposited a Bi2Te3 thin film in d.c. sputter system the morphology of surface vary with many parameters what are they as your knowledge in d.c. sputter deposition.

03 April 2014 7,374 11 View

What is heavy doping? When can we call doping heavy doping? What parameters affect heavy doping?

Small energy gap semiconductor 0.2 eV when doped with ~0.8% wt. dose- would that be considered heavy doping?

31 December 2013 2,723 3 View

Are thin films with a thickness in the range from (20 -100) nm still considered nanostructures?

Nanofilm is an ultra thin film in the range of (1-100) nanometers. If we get to that thickness, the properties will change and we can refer to this change in size. The question is, do we call that...

31 December 2013 5,069 41 View

How to calculate the thickness of Thin films (nanofilms) prepared by D.C. Sputtering ?

Nanofilms were prepared by D.C sputtering or Magnetron D.C. sputtering having a grain size of about 56.5 nm and 0.28 roughness. How to calculate the thickness?

11 December 2013 9,015 22 View

What is the phase diagram of Bi,Te, and Zn material alloyed at 900 centegred?

Phase diagram.

11 December 2013 7,001 2 View

Does anyone know a simple method to measure the thermal conductivity of a nanofilm?

The nanofilm prepared by DC sputtering. How can I measure the thermal conductivity of it by a simple way?

11 December 2013 9,470 3 View

If Zn, Bi and Te are mixed and melted into an evacuated tube at 700 centigrade, what would be the structure of the result?

The structure of Bi2Te3 is Rhomboidal. What happens if we mix a small amount of Zn to it?

11 December 2013 8,832 2 View

What is the protective material for Bi2Te3 nano particles prepared by Liquid phase laser ablation in water?

To reduce aggregation in colloidal nano particles.

02 March 2013 3,885 0 View

How to measure the thermal conductivity of thin films?

Instruments

11 December 2012 3,178 5 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

What thickness need for ITO to use as conductive layer?

I want to do RF sputtering of ITO on glass substrate using magnetron sputtering. what thickness do i need to make it good conductive layer to use it for PSC. Moreover, whats about thickness of...

01 March 2021 395 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

How do I calculate absorption coefficient of my thin film if I dont know the thickness? Or how can I calculate the thickness of my sample?

I have done Uv-vis characterisation of my thin film and have received absorbance and transmittance data. Now I want to calculate the absorption coefficient but I dont know the thickness of my...

21 February 2021 7,148 8 View

How to construct different filler shape in MD simulations?

Is there any way to construct different initial filler shapes like triangle, square, rectangle, pillar, and tube in any simulation software.

20 February 2021 1,750 1 View