Rubidium Rb, Z=37, density, 1.532gcm−3, and atomic mass 85.4678gmol−1
vboom=3.4354∗153237=142.24ms−1
Tp=142.242∗85.4678∗10−32∗8.3144=103.99K or −169.16oC
Silver, Ag, Z=47, density 10.49gcm−3 and atomic mass 107.8682gmol−1
vboom=3.4354∗104947=76.68ms−1
Tp=76.682∗320.24∗10−32∗8.3144=38.13K or −235.0oC
and Rubidium Silver Iodide, AgIRb as a single crystal, Zm=37+53+47=137, density 5.3gcm−3 and molar mass 320.24gmol−1
vboom=3.4354∗5300137=132.90ms−1
Tp=132.902∗320.24∗10−32∗8.3144=340.16K or 67.0oC
It is not the conduction band width that is being engineered for greater conductivity, but the presence of basic particle charge (a quarter of the normal electron charge) that adds to the crystal conductivity. Such basic particle charge is the result of vboom.
