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Questions related to Annealing
I have synthesized ZnO thin films at four different substrate temperature say, 300, 350, 400 and 450C. and the samples were annealed at 450C for half an hour. the xrd result shown better...
05 February 2021 7,844 4 View
I am currently working on the austenitization and inter-critical annealing process of low carbon steels at roughly 650 °C - 1000 °C. I have no prior experience with hot salt baths. I am getting...
30 January 2021 6,219 2 View
Hi all, I deposit Sb2Te3 thin film 150nm by PVD (sputtering, single target, with low power as much as I can) on SiO2 substrate and anneal it to 200°C with 0.5K/min as rate. I found some sample...
22 January 2021 9,829 2 View
Which variables (such as pull speed, melt temperature, annealing temperature/duration, cooling rate, etc.) affect the grain size of czochralski-grown polycrystalline silicon? In what direction...
11 January 2021 2,390 6 View
Parameter: 0.3 sccm CH4 + 2 sccm H2 / 1000 C / 350 mTorr / 1-15 min Pretreatment: Electropolishing + 30 min anneal with 10 sccm H2 Tried several times but get no carbon on copper, then tried to...
02 January 2021 9,919 3 View
I have been setting up the tube furnace to work with inert atmosphere, i.e. H2 and N2 in order to anneal the iron-based metallic powders. The furnace is equipped with vacuum pump as well. The...
19 December 2020 4,185 2 View
In co-precipitation or other wet chemical methods for preparing nanoparticles. The precipitates obtained are generally freeze-dried or vacuum dried, or heated at 100-120. This is followed by...
10 December 2020 2,999 5 View
I want to get as much as the flatness of e-beam evaporated Au on Si02/Si wafers. So I want to anneal au deposited Si02/Si wafers. The thickness of Si02 is 2nm. Is there any appropriate time and...
02 December 2020 7,856 3 View
Hello everyone, I'd like to request your help regarding a strange phenomenon I noticed in some of my PLA samples. Between ~120-135 degrees C, a strange exothermic bump is seen in the second...
30 November 2020 5,143 4 View
We have currently extruded Magnesium alloy AZ61A into Rods of 9.5mm diameter and are aiming to cold draw them to smaller sizes of 9mm, 4.5mm and 3mm. Can someone outline the cold drawing process...
25 November 2020 5,849 2 View
Hello, everybody I have tried to obtain a hydrophobic surface by Sylgard-184 (PDMS). I dissolved PDMS in n-hexane and applied it to the glass substrate, then dried at 70C over night. Finally,...
18 November 2020 8,141 3 View
Hi there I'm planning on annealing two PCR products to perform some mutagenesis in a plasmid. I was recommended to try and keep it to 600pb each, for example, but for one of the plasmids there...
16 November 2020 8,825 3 View
Dear all I want to simulate a system containing polyelectrolytic and water. I would like to do annealing for more relaxation. But, I dont know if annealing process is better to do in NVT or...
31 October 2020 940 1 View
Hello, I'm interested in MOFs these days, so studying the fabrication processes. It seems that most of the processes include heating (thermal annealing, typically > 110 Celsius degree) steps,...
29 October 2020 9,573 5 View
When ferromagnet (FM) and antiferromagnet (AFM) are coupled, exchange bias can be generated at the interface of FM and AFM which acts as a bias field in the hysteresis loop. I am particularly...
25 October 2020 8,760 1 View
I'm having an incredibly hard time preparing clean single crystal Al (bought from Goodfellow). Any advice is appreciated. I'm working with roughly 8 E-10 torr conditions and doing Ar sputter and...
23 October 2020 9,430 3 View
I am electroplating Ni on a stainless steel for abrasive application. At temperature and time can I anneal so that Ni thermally diffuses into stainless steel? My intention is to improve the...
21 October 2020 7,250 3 View
I have prepared CeO2 based nano-particles. due to some technical issues some of the properties like electronic structure and magnetic properties are pending. the samples were prepared...
09 October 2020 922 3 View
I created a rectangular ensemble consist of crystalline erythritol molecules. I want to create a liquid-solid interface through annealing, making half of the ensemble amorphous and keep the other...
28 September 2020 2,804 1 View
The annealing temperature in a PCR is usually very critical for the success of the PCR. The range for the optimal annealing temperature is usually quite narrow. When performing PCR with a...
21 September 2020 7,034 5 View
I made absorver layer with two step coating. 1) First step was with spin coating in which i used PbI2 by making 1M solution of DMF+DMSO I stiired the soultion for 12 hrs then spin coated it on...
15 September 2020 2,230 1 View
Typically EBSD techniques like GOS, GAM, KAM are used to quantify the volume fraction recrystallisation of an annealed sample (i.e. static recrystallisation), based on the principle that a...
06 September 2020 4,745 3 View
We prepare TiO2 samples using Titanium Isopropoxide, Ethanol, and Glacial Acid; We increase the amount of ethanol to decrease the thickness of the layer. However, the layers with thicknesses...
31 August 2020 4,201 13 View
I am preparing oxide glasses (Silicon-phosphate) by melting and quenching method. I want to measure DC conductivity of the glass obtained after annealing. I am trying with Van der Pauw Four probe...
28 August 2020 1,058 3 View