Thermoelectric Properties of bulk-Sb2S3 (Electrical Conductivity, Thermal Conductivity and/or Seebeck Coefficient) ?

Dear colleagues, hope you 'r having a good day : I may get somehow involved in a project about Sb2S3 for possible thermoelectric uses, behold the motivation behind my question. I already searched...

01 February 2020 1,745 3 View

Temperature vs. Thermal and Electrical Conductivity ?

Dear all : May anyone share with me a Graph showing the curves for Temperature vs Thermal Conductivity, and Temperature vs. Electrical Conductivity/Seebeck Coefficient (in the same Graph) for...

01 February 2020 10,016 5 View

Al Contacts deposited on CdS & PbS substrates on an e-beam. Why I can't achieve a better quatily of the films/contacts on the CdS but not on PbS ?

Dear all: Have anyone deposited Al contacts on substrates of CdS and/or PbS, using an e-beam physical evaporation system ? The following is happening with my CdS and PbS films , I'm trying to...

31 December 2019 3,431 1 View

Vapor Presure of Bismuth, Tellurium and Bismuth Telluride (Bi2Te3), all at 300 K ?

Dear all: I am looking for the data of the Vapor Pressure for these substances : - Bismuth - Tellurium (for both of these elements I found a few data, but for points of temperature above 650...

10 November 2019 7,580 1 View

Bi2Te3 thin films deposited by e-beam physcal vapor deposition ?

Dear all : I need help with the following question : It is possible to grow n-type Bi2Te3 thin films, deposited on glass substrates using the e-beam technique ? If so, What would I require ? or...

10 November 2019 3,450 9 View

What do you think about the astonishing result: 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + ... = -1/12 ?

Dear researchers: As counterintuitive as it can be, the infinite sum of all the integers : 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 ... to infinity can be understood as = -1/12 i.e. Sum(all...

09 October 2019 3,506 7 View

How thick is the Al2O3 thin film layer grown on Aluminum due to environment exposure? What is its Growth Rate ?

Dear colleagues: When you have an Aluminum plate, and then, lets say you sand its surface with a sandpaper, you remove its native Al2O3 thin layer previously formed on the surface. Instantly,...

09 October 2019 2,376 12 View

What physics do I have to use to compute the Electric Field coming out from a microsize symmetric object ?

Dear all: I hope someone can give me some insight to this problem. Considering that I have a micro size metallic particle. Lets say a symmetric Gold cubic particle, about 6 micrometers of...

07 August 2019 8,381 7 View

What is the bottom limit in dimensions of a physical structure to be simulated in COMSOL Multiphysics and the results still be valid ?

Regards all !: I think this could be an interesting thread for a discussion, or perhaps someone may have the definitive answer yet, When simulating some of the physical phenomena which can be...

07 August 2019 6,786 4 View

Did someone have built a COMSOL simulation simulating a TEG (Thermoelectric Generator) or a Peltier Cooler module?

Hello all, : Is someone out there who has simulated thermoelectrics modules successfully with COMSOL Multiphysics ? The system I'm talking about is a TEG (Thermoelectric Generator module) or a...

05 June 2019 5,599 7 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View