Review Sheet Exam 2

Review Sheet Exam 2 - Exam 2 Review Sheet Metallic Crystals...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam 2 – Review Sheet Metallic Crystals Dependence of electrical conductivity with T Primitive unit cell – CN, # atoms Face-centered unit cell – CN, # atoms Body-centered unit cell – CN, # atoms CCP = fcc ; CN, # atoms HCP Review calculations of metallic radius from density for fcc and bcc unit cells Semiconductors Dependence of electrical conductivity with T Trends in BG energy for Group 4 and 3,5-semiconductors Procedure for determining band gap energy from the temperature dependence of conductivity. Lattice structure of Group 4 and 3,5-semiconductors Ionic Compounds Periodic trends in ionic radii Lattice structures – CN, geometry, one example for: Rock salt CsCl Zinc blend Würtzite Cristobalite Perovskite – YBa 2 Cu 3 O 7 Lattice energy calculations – model assumptions, failure Boron Hydrides 2e-3c bonds Structural predictions using Wade’s Rules – closo, nido, arachno Carboranes – synthesis, structures Allotropes of Carbon Features of diamond, graphite, C 60
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Review Sheet Exam 2 - Exam 2 Review Sheet Metallic Crystals...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online