internetphysics

solid state physics

1.                     Bragg's Law and Diffraction, Lukin

2.                     Classification of Solids, Stephen Jenkins

3.                     Crystallography, David Richards

4.                     The structure of crystals, Sauls

5.                     Properties of GaAs, SUNY at Buffalo

6.                     Oscillating 3D Crystal, Kiselev

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3D Bravais Lattices with cubic symmetry - All of them require a VRML viewer, for example CosmoPlayer or any other player, you can find in The Web3D Repository

7.                     Cubic symmetry, Demidov and Drozdov

8.                     "Planes" of mirror symmetry, Demidov and Drozdov

9.                     Simple Cubic unit cell, 5x5x5, 7x7x7 atoms cells – Wigner-Seitz cell is cube, Demidov and Drozdov

10.             Body Centered Cubic unit cell, 5x5x5 and 7x7x7 lattices - Wigner-Seitz cell is truncated octahedron, Demidov and Drozdov

11.             Face Centered Cubic unit cell, 5x5x5 and 7x7x7 lattices- Wigner-Seitz cell is rhombic dodecahedron, Demidov and Drozdov

Real crystal lattices - All of them require a VRML viewer

12.             NaCl unit cell, and 5x5x5 and 7x7x7 cells, Demidov and Drozdov

13.             GaAs unit cell 5x5x5, 7x7x7, Demidov and Drozdov

14.             Si, Ge unit cell 5x5x5, 7x7x7, Demidov and Drozdov

15.             SrTiO3 unit cell 5x5x5, Demidov and Drozdov

16.             YBa2Cu3O7 unit cell 7x5x5, Demidov and Drozdov

17.             Superconducting atomic Cu-O2 planes, Demidov and Drozdov

Crystallographic planes - All of them require a VRML viewer

18.             NaCl crystall along (100), (010) and (001) , Demidov and Drozdov

19.             GaAs crystall along (110) plane, Demidov and Drozdov

Close packed lattices

20.             Face Centered Cubic unit cell, Demidov and Drozdov

21.             Hexagonal lattice, Demidov and Drozdov

22.             FCC and hexagonal lattices are very similar, Demidov and Drozdov

23.             (100) Si surface reconstruction. The real crystal has broken (unoccupied) bonds on its surface which may lead to the surface reconstruction. (100) Si surface before reconstruction (rotated 4x4x2 and 6x6x2 lattices). White and blue balls show two FCC sublattices of Si. 2x1 reconstruction of (100) Si surface (RGBW colored and 6x6x2 lattices).

24.             Energy Band Creator, Kansas State University

25.             Diffusion, drift and recombination of excess minority carriers in a semiconductor, SUNY at Buffalo

26.             Electron wave function propagating through a periodic potential, Eurotechnology

27.             Rational Approximant to an Icosahedral Quasicrystal, Denton

28.             Quasicrystals, Laboratory of Atomic and Solid State Physics

29.             Polymers, Laboratory of Atomic and Solid State Physics

30.             Scanning Tunneling Microscopy at Sljus, Lund University

31.             Quantum Tunneling of Atoms, Laboratory of Atomic and Solid State Physics

32.             Manipulating Atoms with an STM, Laboratory of Atomic and Solid State Physics

33.             Atomic Tunneling from an STM/AFM tip: Dissipative Quantum effects from phonons, Laboratory of Atomic and Solid State Physics

34.             LEDs, Kansas State University

35.             Formation of a PN Junction Diode and its Band Diagram, SUNY at Buffalo

36.             Indirect recombination via an energy state in the band gap, SUNY at Buffalo

37.             Energy Band Diagram and E-k Diagram, AlGaAs, SUNY at Buffalo

38.             SiGe, SUNY at Buffalo

39.             Fermi-Dirac function, Belloni and Christian

40.             Fermi Function and Localized Energy States, SUNY at Buffalo

41.             Density of occupied states n0(e), Belloni and Christian

42.             Carrier Concentration vs. Fermi Level, SUNY at Buffalo

43.             Dynamic variation of  Fermi-Dirac distribution with  temperature T, Boutiche

44.             Carrier Concentration vs. Fermi Level and the Density of States, SUNY at Buffalo

45.             Dynamic variation of  Fermi-Dirac distribution with  temperature T, Boutiche

46.             Moderate-doping vs. Heavy-doping, SUNY at Buffalo

47.             PN junction diode and its band diagram: simpler version, SUNY at Buffalo

48.             PN junction diode and its band diagram: improved version, SUNY at Buffalo

49.             PN junction diode, space charge profile and electric field, SUNY at Buffalo 

50.             PN junction diode: approaching equilibrium, SUNY at Buffalo

51.             Biased PN Junction, SUNY at Buffalo

52.             Space charge and electric field in biased PN junction, SUNY at Buffalo

53.             PN junction diode: C-V and I-V, SUNY at Buffalo

54.             PN junction and Schottky diodes: I-V, SUNY at Buffalo

55.             Short-base vs. long-base BJT, SUNY at Buffalo

56.             Charge Flow into/out-of the Base region, SUNY at Buffalo

57.             BJT Dynamic Operation (Switching), SUNY at Buffalo

58.             (BJT Dynamic Operation (Switching) (original version), SUNY at Buffalo

59.             Small-signal equivalent circuit model (hybrid-PI model), SUNY at Buffalo

60.             General (large-signal) equivalent circuit model (Ebers-Moll model), SUNY at Buffalo

61.             Fermi Dirac-vs.-Maxwell Boltzman, SUNY at Buffalo

Device Fabrication

62.             PN Junction Diode, SUNY at Buffalo

63.             n-channel MOSFET, SUNY at Buffalo

64.             BJT-FET pair on the same chip, SUNY at Buffalo

65.             The Semiconductor Manufacturing Process, Fullman Kinetics

66.             Summary  Three applets on enhancement MOS, SUNY at Buffalo

67.             MOSFET, SUNY at Buffalo

68.             Channel ON-OFF behaviors, SUNY at Buffalo

69.             Channel ON-OFF by Vgs, Pinchoff-Continuous by Vgd, SUNY at Buffalo

70.             Device cross-section and Output characteristics (Id vs. Vgs, Vds), SUNY at Buffalo

71.             MOS Charge-Energy Band, SUNY at Buffalo

72.             MOS Charge-Field-Potential with bias, SUNY at Buffalo

73.             MOS Charge-Energy Band, SUNY at Buffalo

74.             MOS Charge-Field-Potential equilibrium state, SUNY at Buffalo

75.      &nb