Syllabus
|
Course Code: EP-804 Course Name: Spectroscopy of Atoms and Molecules |
||
| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
|---|---|---|
| 1 | One Electron systems Quantum mechanical results of hydrogen atom, Atomic spectra of Hydrogen, Quantum numbers and their role, atomic orbitals, orbital and spin angular momenta., spin orbit interaction, vector atom model, spectroscopic terms and their notations, Fine structure in hydrogen energy levels, spectra of alkali elements, different series in alkali spectra, the doublet fine structure. Spectra of two electrons systems and Pauli Principle Coupling scheme, L-S and j-j coupling, Building up principle: the Aufbau principle, Equivalent and non-equivalent electrons: Pauli’s exclusion principle, Hund’s rules, spectral terms, Breit’s scheme. |
|
| 2 | Atoms in external fields Two electron system Hyperfine structure and Line broadening: Normal and anomalous Zeeman effect, Paschen Back effect, Stark effect, Two electron systems , interaction energy in LS and jj coupling, Hyperfine structure (magnetic and electric, only qualitative). |
|
| 3 | Rotation of molecules Classification of molecules, Interaction of radiation with rotating molecules, Rotational spectra of rigid diatomic molecules, Isotope effect in rotational spectra, Intensity of rotational lines, Non Rigid rotator. Vibrational and Rotational Vibration spectra of Diatomic molecules Vibrational energy of diatomic molecule, Diatomic molecules as a simple harmonic oscillator, Energy levels and spectrum, Morse potential energy curve, Molecules as vibrating rotator, vibration spectrum of diatomic molecules, PQR Branches. |
|
| 4 | Raman Spectroscopy Introduction, Pure rotational Raman spectra, Vibrational Raman spectra, nuclear spin and intensity alternation in Raman spectra, isotope effect, Raman techniques and instrumentation. Mossbauer spectroscopy Recoilless emission and absorption, isomer shift, quadrupole interaction, magnetic hyperfine interaction, Experimental techniques. |
|
