Have you the ASTM fiches of Si,Al and Al2O3?

27 December 2017 0 10K Report

We have deposited AZ0 on silicon substrate (111) , after analyse dy DRX we found a pick in specter at 31,00° and we can't identify this plan

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Predatory journals/publishers ?

Dear community, Can anyone inform if "advanced research in gastroenterology & hepatology" is considered as predatory journal ? according to our findings, the publisher "Juniper" is considered...

26 November 2021 1,653 5 View

What does a negative value of replication inhibition mean?

Dear all, Would someone please explain to me what does a negative value mean which is obtained during a cell based assay to test an antiviral drug i.e at 1 μM, substance A has RTqPCR replication...

10 January 2021 6,669 3 View

How to compare performance of different document similarity approaches?

I am testing different approaches of document embedding to perform document similarity (using cosine similarity). I am using Bert, XLNet, Deep CSAE, doc2vec, etc... I want to compare the...

25 May 2020 4,483 0 View

Comment je peux determiner le coefficient de transfert thermique h( W/m2/K) à partir de nombre Nusselt?

quelle est la corrélation théorique qui relie le nombre de Nusselt local aux nombres de Prandtl et de Reynolds locaux pour une plaque plane dans une canal rectangulaire (convection forcée)en...

11 April 2018 4,868 5 View

How can I calculate the energy gap from the transmission spectrum without introducing the thickness?

how can I calculate the energy gap from the transmission spectrum without introducing the thickness ?

06 January 2018 2,131 0 View

How can venture capital financing contribute in financial liberalization in emerging markets?

is there any impactbetween investing with venture capital in emerging markets and the financial liberalization?

29 December 2015 4,087 7 View

Any advice on a dispersion diagram of a rectangular waveguide in CST MWS?

How to plot beta against frequency in CST MWS of a rectangular waveguide? Thank you

19 November 2015 3,788 5 View

What are the best easurement criterion to estimate similarity between images?

What is the best measurement criteria to estimate rate of similarity/dissimilarity between images?

03 April 2014 7,054 3 View

Most used method for reconstruction in medical imaging?

What is the most implemented method for reconstruction in PET and SPECT scanners? And why?

31 October 2013 7,207 4 View

PET data simulation with GATE?

I want to simulate PET data using simulation monte carlo via gates, but I can't specify geometry of detectors etc. I don't have this background skills. Could anyone send me two scripts about...

30 October 2013 353 2 View

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View

How to distinguish the DRX prior austenite grains (PAG) by EBSD of the martensite transformed from PAG （Ausforming）?

During the heavy warm rolling process, austenite undergoes dynamic recrystallization (either DDRX or CDRX), and then transforms into martensite upon quenching. Is there a way to distinguish from...

11 July 2024 7,602 1 View

How to solve this error while I simulate gidl using tcad ?

There is an error message "interface silicon/oxide not found in grid xxx.tdr file"

26 June 2024 5,551 0 View

How to cut a sample with several micrometers thick silicon oxide with DISCO DAD323 dicing machine?

I use a DISCO DAD323 dicing machine to cut my sample,which has 1-2 micrometers SIO2 on its top.However,the SIO2 is broken and fall apart everytime.I tried different cutting speed but didn't work....

20 June 2024 1,131 0 View

How to carry out Raman on a CVD prepared material?

I have a CVD-prepared material. The problem is that the LASER covers a smaller area than the islands, so I see localized effects. Sometimes, the intensity of the silicon peak is larger than the...

05 June 2024 6,797 3 View

What is the sheet resistance (rsheet, defined by resistivity divided by thickness) of a film of this material with a thickness of 100 nm?

I need some help to solve this exercise, if possible. we consider an n-doped amorphous silicon layer (silicon atomic density of 5e22/cm3) which displays a doping efficiency versus relative...

04 June 2024 9,101 2 View

How Through Silicon Vias (TSV) simulated in Silvaco?

How can we simulate TSV in the Silvaco example? Exactly, I need the instructions for the attachments file. Best regards.

29 May 2024 1,638 1 View

Metal film diffuses through SiO2 and reaches Si substrate?

I deposited a 50-nm-thick Pt film on a silicon substrate using magnetron sputtering method. TEM results showed the presence of SiO2 layer between Pt and Si-sub. Strangely, between SiO2 and...

06 May 2024 531 3 View

During ws2 growth via cvd I have noticed black round spots on the si(100) substrate. please suggest me reason behind this?

I am using 20 mg of WO3, 800 mg of Sulphur, 925 oc growth temp, 280 oc S temp, and a 20 sccm gas flow rate.

05 May 2024 8,665 2 View

The failure for thiolated -Aptamer binding onto Gold surface?

Hello. I have try to immobilize the thoilated aptamer onto the gold surface such as Gold coated silicon wafer and the gold coated screen printed electrode. However, it is failed, after aptamer...

29 April 2024 4,054 1 View