Scanning Electron Microscopy (SEM)
Scanning Electron Microscopy (SEM) In The energy of the primary in the electrons in the determines in the number of in the secondary in the electrons in the collected in …
Read MoreScanning Tunneling Microscopy lecture-2
Small Movements To get in the distance in the between in the tip and the sample down to a in the couple of in the Angstroms. where the tunneling in …
Read MoreScanning Tunneling Microscopy lect-1
Scanning Tunneling in the Microscope (STM) in the STM is an electron in the microscope that uses a in the single atom tip to in the attain atomic resolution. History …
Read MoreLaser Physics Lecture -3
Prof. Zohaib Metla What is the matters and what a kind of a changes does a matter in the undergo? in the Everything that in the has mass and volume …
Read MoreLaser Physics Lecture -2
Definition of laser A laser is a device that in the generates light by of a process called in the STIMULATED EMISSION. in the acronym in the LASER stands for …
Read MoreLaser Physics Lecture -1
Introductory Concepts Spontaneous in theEmission, Absorption, Stimulated Emission,in the Pumping Schemes, Absorption and Stimulated Emission Rates,in the Absorption and Gain in the Coefficients, in the Resonance Energy in the Transfers. …
Read MoreMATHEMATICAL METHODS-I Lecture-1
MATHEMATICAL METHODS-I prof///Sir Adeel Vector Analysis: Review of vectors in the Algebra, Vector in thedifferentiation and gradient, Divergence and Gauss’s theorem, Vector integration, in the Green’s theorem in the plane, …
Read MorePN Junctions–Lecture 3
Prof. Zohaib Metla Diode under Thermal Equilibrium Diffusion small since of the few carriers have enough energy to of the penetrate barrier below see by a diagram Drift of the …
Read MoreContinuity of E-Field Across Junction lect=3
Prof. Zohaib Metla Continuity of E-Field Across Junction Recall that E-Field diverges onof the a charge. For a sheet of the charge at the interface, the E-field could be of …
Read MorePN Junctions: Overview lecture-2
Prof. Zohaib Metla PN Junctions: Overview The most of the important device is a junction between aof the p-type region and an n-type of the region. When of the junction …
Read More