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Questions related to Thin Films and Nanotechnology
When laser pulse deposited in air.
13 June 2017 2,640 3 View
Dear Colleagues Does anyone knows about the conductivity of YSZ commercial single crystal substrates. I need to deposit my insulating oxide layer on YSZ (111) single crystal, and then measure its...
12 June 2017 566 1 View
I'm wondering it's possible to take AFM measurement of Graphene oxide sheet conjugated with micro-sized Fe3O4 particles. If possible, which mode (e.g. contact, non-contact, and tapping) is the...
07 June 2017 5,638 4 View
For analysis multilayred polymer films (BOPP) and other polymeric objects by means optical and SEM microscopy we need microtome equipment. What microtome type (rotary, ultra-microtome) and embeded...
06 June 2017 9,006 4 View
I am searching some tries related to it. But most of the search results are about a synthesis of the carbon materials itself via chemical vapor deposition (CVD).The term 'CVD' contains 'vapor' so...
06 June 2017 3,541 2 View
I have a 4% PMMA and PS solution (Dissolved in PGMEA) and I want to know which are the experimental conditions that I can adopt in order to obtain a film thickeness around 500 nm?
06 June 2017 8,296 1 View
Hey everyone. I'm trying to deposit a thin film of PEDOT : Tosylate on a thin Gold sensor. Does anyone know a chemical protocol for this? Thank you.
06 June 2017 3,393 1 View
I want to measure magnetic properties of HfO2 thin films deposited on Silicon wafer. I want to measure its magnetic properties, but I have no idea about its measurement.
06 June 2017 8,296 3 View
I am trying to deposit Cobalt film (> 100 nm) on Si/SiO2 wafer first (by sputter), do some treatment on the thick film, and etch back the Co film down to sub 10-nm thickness. Maintaining the...
06 June 2017 4,154 2 View
I was just reading up some articles on graphene, where the authors have used the word pi-plasmons in graphene leading to extraordinary absorption in the UV range. I am confused as to what is...
06 June 2017 4,971 1 View
For illumination of green light on the sample through 1 layer of approximate 1cm thick quartz surafce, what should be the power of laser source?
06 June 2017 5,998 3 View
I have deposited a thin film on conductive ITO substrate. Now i wish to find out the conductivity of deposited thin film such that conductivity of ITO does not affect the measurement...
06 June 2017 938 6 View
Some parts of the chip (5x5mm) are ~70nm deep, whereas other parts are ~470nm deep. Details: ST-cut quartz was etched in BOE HF (1:1) solution for 10min at room temperature. Prior to etching some...
06 June 2017 3,122 3 View
In the case of AL2O3/GaN stack a serious frequency dispersion is observed (Fig1) whereas this problem is negligible in the Al2O3/Si case (Fig.2). Moreover, the increase of the capacitance area...
06 June 2017 3,885 3 View
Dear fellow researchers, Does anyone have any information or experience regarding resistance of cross-linked PDMS substrate (10-20 microns) to diluted (5-10%) sulphuric, oxalic or phosphoric acid?
06 June 2017 1,565 2 View
while membrane fabrication, I have to consider the width (not thickness) very narrow which results in shrink to some extent ... does that affect the pore structure inside the membrane ??
06 June 2017 2,833 7 View
I want to use spin coating technique for this purpose
06 June 2017 7,761 2 View
Hello everyone When I grow semiconductor thin film on gold nano particles to get surface enhanced Raman scattering, high intensity photo luminescence occurred in the...
06 June 2017 7,635 6 View
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...
06 June 2017 2,331 8 View
I am not clear on that, so, I need clear idea about the same.
06 June 2017 7,922 3 View
Hey, Guys! I am an undergrad and currently working on developing fluorescent samples for a prism coupling experiment. The idea is to spin cast Alq3 in 2ml Chloroform on glass slides. Under laser...
06 June 2017 459 5 View
I am using e-beam lithography to define gate on Si/SiO2 wafer. I find shadows around the deposited metal after lift off in the SEM images. I use Bilayer of PMMA 950K and PMMA 450K each baked for...
06 June 2017 8,242 3 View
Recently, properly annealed T'-cuprates indicate the superconducting state even in the case of non-chemica-doping while T-cuprates indicate the antiferromagnetism near the non-doping...
06 June 2017 3,672 0 View
I am a PhD. Student.
06 June 2017 268 0 View