How to avoid blistering in DC sputtered thin films?

I am trying to deposit DC sputtered GeTe thin films. I need to anneal the films to crystallize them. I am using RCA1 cleaned substrates with chamber vacuum > 2e-8 Torr. After deposition, films...

05 June 2017 2,249 8 View

Any guidance on DC sputtered tungsten micro heaters?

I am trying to design micro-heaters that should go more than 800 deg C. I tried different materials, but tungsten seems a potential candidate. I am using lift-off to pattern the thin films of...

05 June 2017 8,184 4 View

How does one calculate RF MEMS Switch Speed (Transient Analysis)?

Hi, Can anybody help me in calculating RF MEMS Switching Speeds in Comsol Multiphysics/ANSYS? Can anybody share the sample/example model? I am using Ansys HFSS. Can we do this by exporting the...

08 September 2014 6,647 6 View

How to calculate the pull-in voltage of RF MEMS Switch in Comsol?

08 September 2014 2,523 2 View

Best way to design CPW for Multiport RF MEMS Switches

For SPST switches computation of G/S/G for CPW is easy, but what about rotary type SPNT Switches?

06 July 2013 153 0 View

Microsoft Word or LaTeX?

I've using Word since so many years, but new to LaTeX, and starting seems difficult as there are a lot of commands. Is LaTeX is really better than word?

06 July 2013 1,202 15 View

How can I check for fatigue or the lifetime of an RF MEMS switch using COMSOL?

Please if someone could explain that how can I check the lifetime of RF MEMS switch or any other structure (example or switch) which makes contact with signal to change the state in COMSOL!

06 July 2013 5,069 2 View

Calculation of elastic recovery forces in MEMS switch membranes in COMSOL

When we provide bias voltage, due to electrostatic force the membrane gets displaced towards electrode/s, but how to check the elastic recovery forces of membrane, i.e., will the structure returns...

06 July 2013 6,429 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Thermal reduction of graphene oxide.?

I am trying to reduce graphene oxide by thermally but I have no proper information regarding this. Can any one help me regarding the details about temperature and time for the reduction of...

23 February 2021 4,155 4 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View

How can I calculate teh crystallinity degree of graphene oxide?

I had treat my XRD diffraction pattern by Highscore to calculate the crystallinity degree Xc and I have the formula but I dont no the 2Theta of Ac and Aa to calculate Xc. Is it like polymers...

10 February 2021 6,305 5 View

About XRD details of pristine and doped RGO?

Hi Can anyone please help me know the XRD details of reduced graphene oxide, Nitrogen doped reduced graphene oxide, Sulphur doped reduced graphene oxide, Nitrogen and Sulphur co-doped reduced...

08 February 2021 3,033 3 View

What is the difference between Graphene Oxide and Expanded Graphite?

What are the main differences between Graphene Oxide and Expanded graphite, in terms of surface functionalities, conductivity, d-spacing and other features? Is the term expanded graphite...

06 February 2021 9,810 4 View

How to apply graphene oxide on an gold electrode?

Dear Fellows, now it is the time to push graphene applications further in terms of easy and low cost production surroundings. Thus I recently dived in the materia and I am facing tons of papers,...

02 February 2021 6,284 2 View

How to form a shell around a nanostructure core in solution phase synthesis?

Hey, I want to know if I have fabricated some nanostructure and further I want to make a shell on the nanostructure by solution phase method by making it core-shell nanostructure. So, anybody can...

01 February 2021 9,966 4 View