[1] Natl Inst Technol Karnataka, Dept Chem, Catalysis & Mat Lab, Surathkal 575025, Karnataka, India
[2] Natl Inst Technol Karnataka, Dept Phys, Mat Res Lab, Surathkal 575025, Karnataka, India
[3] Natl Inst Technol Karnataka, Dept Mat & Met Engn, Surathkal 575025, Karnataka, India
[4] Natl Univ Sci & Technol MISiS, Leninskii Pr 4, Moscow 119991, Russia