Alex Paul

10 Questions 5 Answers 0 Followers

Questions related from Alex Paul

Can I make use of Kapton tape as mask for thin film deposition?

I am trying to deposit some magneto impedance thin film sandwich structures and I was wondering if I can skip the photolithography step and make use of Kapton tape instead. Let me know if anyone...

03 August 2023 9,434 2 View

Can you enhance conductivity of pdot pss using metal powders?

Anyone have any idea regarding if addition of metal powders in pdot enhance there electrical conductivity? I see some research papers with insitu reduction of Nanoparticles. But would just...

14 July 2023 9,532 1 View

How to functionalize CNT with metal nanoparticles?

Hi is there any way to functionalize CNT without in situ reduction of the metal nanoparticles on the CNT. Maybe by increasing affinity of CNT for the metal nanoparticle and mixing them mechanically?

17 June 2023 9,168 3 View

Will Terfenol-D powders oxidize in air?

Just asking to know if I need to handle them in an inert glove box or if I can just keep them in an air-tight container and use them when needed.

16 April 2023 8,096 1 View

How can I go about depsositing multiple thin films when I have only two targets avialable?

I am trying to deposit GMR stacks of Ta(5)/IrMn(8)/CoFe(2.5)/Cu(2.2)/CoFe(2)/NiFe(2)/Ta(5) (in nm). I have only 2 target spots available. I was wondering if I can sputter in different steps...

12 April 2023 2,994 3 View

Would it be possible to create GMR nanoparticles using some non traditional methods?

I know we can create Gmr (giant magnetoresistance) films using PVD techniques but I was wondering if it would be possible to do so using something non-traditional let's say like mechanical...

22 March 2023 6,603 1 View

How can I calculate the initial magnetic susceptibility (chi0) of materials like iron?

I am trying to run some simulations using FEM and wondering how I can calculate the chi0 value of materials like iron given that I can plot the MvH of the material. I see in the literature the...

30 October 2022 9,617 1 View

What setup should I be using to align magnetic powders in a polymer matrix?

I am trying to build a setup to cure magnetic powders in a polymer matrix in a uniform magnetic field to align the particles in certain orientations. What would be the a setup to do this? In...

23 October 2022 2,731 3 View

What properties should I be careful of when trying to simulate a polymer bonded with magnetic particle in COMSOL?

I am trying to simulate a polymer bonded with magnetic particles in comsol. Previously I was simulating a polymer embedded with a magnetic thin film and was assigning separate properties to both...

25 August 2022 2,394 0 View

Will a magnetostrictive material loose its remnant magnetization under the absence of a Dc bias field or Permanent magnet?

Imagine a magnetostrictive material that has been biased initially such that it has a remanent magnetization now this bias field has been removed and the material is put under tensile stress under...

18 April 2022 6,037 1 View