O. Jin et Bx. Liu, NONEQUILIBRIUM SOLID-PHASES FORMED BY ION MIXING IN THE ZR-NB SYSTEM WITH POSITIVE HEAT OF FORMATION, Journal of physics. Condensed matter, 6(6), 1994, pp. 39-42
Amorphization was achieved by ion mixing of multilayered films in the
Zr-Nb system that has a positive heat of formation (+6 kJ mol(-1)). Al
so, two metastable crystalline (MX) phases, both of FCC structure, wer
e formed, at the Nb-rich and Zr-rich ends.