April 2020
Intermediate to advanced
296 pages
5h 20m
English

Tb’s magnetostrictive feats exploit the Joule effect,
Thus Terfenol-D helps flick the switch, helps sonar to detect.
In TV tube, fluorescent light . . .
. . . its phosphors glow so green ’n’ bright;
What’s more, they’re used for X-ray scans, where patients they protect.
tee-bees
ter-fenn’l-dee
NINTH IN THE LANTHANOID SERIES
Terbium has an unusual property for a lanthanoid: it will increase or decrease in length by a small amount when placed within a magnetic field. This phenomenon, known as ...