The temperature of the stacking-fault energy with respect to its value at 300K was determined by means of X-ray measurements made 300 to 727K. the results could be described by E = E300(1.238 - 0.000828T).

The Stacking-Fault Energy of Copper from X-Ray Peak Shift Measurements. M.N.Shetty: Zeitschrift für Metallkunde, 1982, 73[11], 689-91