Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Powder sample were heated to 100, 200, 250, 350°C with a linear ramp 10°C/min under helium atmosphere. After desired temperature was reached, isothermal conditions were held for 10 minutes, followed by gradual cooling of the samples down to room temperature.
