Cross section of Uranium-238 at different fast energies of neutron?

Dear All, The neutron cross section of element generally falls with the increase in neutron energy. But in U-238 the fission cross section at Neutron energy of 1MeV is 0.3 barns whereas it...

02 March 2017 1,600 4 View

Ideality factor for diodes?

Is there any mathematical formula there for the ideality factor of the diodes? I will be very much thankful for the above. Please send the mathematical expression for it.

08 September 2016 6,873 5 View

The pulse shaping circuit of the radiation detector?

In the radiation detector the pulse shaping circuit consists of CR-RC circuit and amplifier.The function of pulse shaping amplifier is to improve Signal to Noise ratio.It also act as a filter to...

08 September 2016 8,346 4 View

How to reduce shot noise in the semiconductor radiation detector?

Generally there are three types of noise is present in the semiconductor radiation detector.These are Thermal Noise,Shot noise and Flicker Noise.The thermal noise is removed by operating the...

08 September 2016 9,187 2 View

Coating of Enriched Boon-10 on Si Surface other than CVD technique?

Dear All, Is there any technique other than the CVD to coat the Enriched Boron-10 on the Si surface? I will be very much thankful for the reply. Thanks & Regards Manoj

08 September 2016 8,542 0 View

In radiation detector Generally the HV Bias to the detector is given through the charge sensitive Preamplifier?

08 September 2016 4,031 4 View

Neutron irradiation effect on semiconductor PIN Diode?

I have performed the neutron irradiation on the PIN Diode. I have found that the forward bias cut-in volatge has been shifted. Why these shift been observed in the neutron irradiated PIN...

06 July 2016 7,854 3 View

Why electric field is maximum at the center of the depletion region in the PN junction?

In the depletion region only uncovered ions are exiting then why we have the maximum electric field at the center of the junction?

06 July 2016 7,199 6 View

How does a guard ring in the PIN Diodes reduces the surface leakage current?

06 July 2016 6,512 2 View

Common mode signal calaculation?

Dear All, For the common mode signal the input voltage is calculated as (V1+V2)/2. Why we are calculating the common mode input signal as (V1+V2)/2 whereas in differential mode the input signal is...

04 May 2016 1,958 1 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 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 can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

How the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View