Fundamentals of Nanoscience - 4BPHE3C - Syllabus

III YEAR – VI SEMESTER

COURSE CODE: 4BPHE3C

ELECTIVE COURSE III (C) – FUNDAMENTALS OF NANOSCIENCE

Unit I              Introduction

Introduction to Nanotechnology – Background and definition of Nanotechnology – Nano materials – Size Dependence.

Types: Nanowires, Nanotubes, Quantum Dots, Nanocomposites – Properties – Ideas about Nano materials synthesis.

Unit II             Carbon Nano Tubes (CNT)

Introduction to CNT – SWNT – MWNT – Properties. CNT based Nano objects- Applications.

Unit III           Fabrication

Fabrication methods – Top down processes – Milling, lithographics, Machining process. Bottom–Up process – MBE and MOVPE, liquid phase methods, colloidal and sol – gel methods – Self Assembly

Unit IV           Characterization

Scanning Probe Microscopy – Principle of operation – Instrumentation – Scanning Tunneling Microscopy – STM probe construction and measurement. 

Atomic Force Microscopy – Instrumentation and Analysis – Tunneling Electron Microscopy– operation and measurement

Unit V             Nano devices and Applications

             

Optical memories, Nano materials applications in magnetism – in electronics. Sensors – in Biomedical field – in optics – Nano layer applications – Nano particle applications

Reference

1.        Hand book of Nanotechnology – Bharat Bhushan.

2.        Nano technology and Nano electronics – W. R. Fahrner (Editor).

3.        Materials Science – P. Mani, G. Ranganath, R. N. Jayaprakash.

4.        Nanotechnology – Mark Ratner, Daniel Ratner.

♣♣♣♣♣♣♣♣♣♣

Atomic and Nuclear Physics - 4BPH4C1 - Syllabus

II YEAR – IV SEMESTER

COURSE CODE: 4BPH4C1

CORE COURSE VIII – ATOMIC AND NUCLEAR PHYSICS

Unit I                     POSITIVE RAYS

Properties of positive rays – e/m of positive rays – Aston’s, Bainbridge’s mass spectrograph-  critical potential – experimental determination of critical potential –Davis and Goucher‘s experiment.

Photo electricity: Photoelectric emission – laws – Lenard’s experiment – Richardson and Compton experiment – Einstein’s photo electric equation – experimental verification of Einstein’s photo electric equation by Millikan’s experiment – Photoelectric cells.

Unit II                   VECTOR ATOM MODEL

Various quantum numbers – L – S and j – j Couplings – Pauli’s exclusion principle – electronic configuration of elements and periodic classification – magnetic dipole moment of electron due to orbital and spin motion – Bohr magnetron – spatial quantization – Stern and Gerlach experiment.

Fine structure of spectral lines- Spectral terms and notation – selection rules – intensity rule and interval rule – Fine structure of sodium D lines – Alkali spectra – fine structure of alkali spectra – Spectrum of Helium – Zeeman effect – Larmour’s theorem – Debye’s explanation of the normal Zeeman effect – Anomalous Zeeman effect .

Unit III  X – RAYS

Discovery – Production, Properties and absorption of X – rays – origin & analysis of continuous and characteristic X – ray spectrum – Duane & Hunt Law – Bragg’s law – derivation of Bragg’s law – Bragg’s X–ray spectrometer – details of Laue, rotating crystal and powder methods- Mosley’s law and its importance -  Compton effect – Derivation of expression for change in wavelength – its experimental verification.

X – ray crystallography- Definition of  Crystal – Crystal lattice – unit cell –– Bravai’s lattice – Miller indices – illustrations - Structure of KCl crystals.

Unit IV  RADIO ACTIVITY

Natural radioactivity – Laws of disintegration – half life and mean life period – Units of radioactivity – Transient and secular equilibrium – Radio carbon dating – Age of earth – Alpha rays– characteristics – Geiger–Nuttal law – α – ray spectra – Gamow’s theory of α – decay (qualitative study) Beta rays – characteristics.

Beta ray spectra – Neutrino hypothesis - Gamma rays and internal conversion– Nuclear isomerism- artificial radioactivity- Betatron – GM counter –– Cloud chamber

Unit V                   NUCLEAR REACTION

Nuclear fission – chain reaction – four factor formula – critical mass and size – controlled chain reaction – nuclear reactor – Breeder reactor – Transuranic elements – Nuclear fusion – thermonuclear reaction – sources of stellar energy- Cosmic rays (outlines only).

Elementary Particles – Hadrons – leptons – Mesons – Baryons – Hyperons – Antiparticle and antimatter – classification of elementary particles – strangeness – Isospin – conservation laws of symmetry – Basic ideas about quarks – Quark model.

Books for Study

1. Modern Physics                                  –              R.Murugeshan , S.Chand &Co; NewDelhi, 13^th    Edition 2008.

2. Modern Physics                                   –              Sehgal & Chopra; Sultan Chand and publication,  9^th Edition 2013.

3. Introduction to Modern Physics         –             H.S Mani, G K Mehta, Affiliated east – West  Pvt Ltd, NewDelhi

4. Nuclear Physics                                  –              D.C Tayal , Himalaya Pub.house, Mumbai, V  Edition 2008.

5. Atomic Physics                                   –              J.B Rajam, S.Chand & Co;NewDelhi.

6. Atomic & Nuclear Physics               –              Subramanyam & Brijal, S.Chand & Co; New Delhi, V Edition 2003.

♣♣♣♣♣♣♣♣♣♣