Mohammed Zia Ullah Khan

3 Questions 1 Answers 0 Followers

Questions related from Mohammed Zia Ullah Khan

Problems in Deposition of Au/Cr contacts on two dimensional materials by E-beam lithography?

Hi, I am trying to fabricate photo-detectors based on 2D black phosphorous material. The Au/Cr contacts are deposited by e-beam on top of BP flakes. I was wondering if anyone could mention the...

04 February 2019 798 4 View

How to control the thickness of black phosphorous flakes exfoliated on SiO2 substrates?

Hi I am wondering if anyone can highlight the thickness and size control of black phosphorous (BP) flakes exfoliated mechanically on SiO2 substrates to obtain efficient photo-response...

04 February 2019 5,695 0 View

Best way to liftoff Aluminum after ebeam lithography?

Hi I have Si/SiO2 sample exfoliated with black phosphorous flakes and then spin coated with PMMA for ebeam lithography . After e-beam lithography of PMMA, it was developed in MIBK and IPA, and...

12 October 2018 6,829 5 View