Amorphous High Density Plutonium

J. K. Katz, A. Rollett, R. J. Hemley

Metastable aluminum-alloyed $\hat{I}´$-plutonium shrinks rapidly and pure $\hat{I}\pm$-plutonium swells rapidly at 4 K. At ambient temperature alloyed $\hat{I}´$-plutonium swells about $10^{-3}$ as fa…