Page 15 - Electrical Properties of Materials

xiv Data on specific materials in text

Exercise 10.5 Dielectric loss in thoria 256
Figure 11.9 Hysteresis loops of (a) Supermalloy and 269
(b) Alnico 5 and 9
Table 11.1 Major families of soft magnetic materials with 271
typical properties
Figure 11.12 Hysteresis curves of some rare-earth magnets in 273
the second quadrant
Table 11.2 Hard magnetic materials 273
Exercise 11.6 Magnetic susceptibility of Ni at varying 294
temperature
Figure 12.15 Relationship between energy gap and lattice 316
spacing for some mixed III–V semiconductors
Table 12.1 Compounds for laser diodes 316
Table 13.1 Electronegativities of elements 342
Table 13.2 Properties of electro-optic materials 345
Table 13.3 Properties of some materials used for 352
acousto-optic interaction
Table 14.1 The critical temperature and critical magnetic 374
field of a number of superconducting elements
Figure 14.9 Temperature dependence of the specific heat of 380
tin near the critical temperature (after Keesom
and Kok, 1932)
Figure 14.13 The temperature variation of the energy gap 389
(related to the energy gap at T = 0)asafunction
of T/T c
Table 14.2 The critical temperature and critical magnetic 393
field (at T = 4.2 K) of the more important hard
superconductors
Figure 14.21 The maximum critical temperature against time 396
for traditional and oxide superconductors
Table 14.3 Approximate critical temperatures (K) of a 397
selection of high-T c superconductors
Figure 14.24 Critical current densities as a function of 400
magnetic field at 77 K (- - -) and at 4.2 K (—) for
BSCCO, Nb–Ti, and Nb 3 Sn
Figure A1.4 The benzene series, showing optical absorption 429
progressing from the uv to the visible
Appendix III Physical constants 436