[1] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, State Key Lab Elect Insulat & Power Equipment, Xian, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Multidisciplinary Mat Res Ctr, Xian, Shaanxi, Peoples R China
[3] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Xian, Shaanxi, Peoples R China
[4] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian, Shaanxi, Peoples R China
[5] Univ Cambridge, Cambridge, England
[6] Norwegian Univ Sci & Technol, Dept Mat Sci & Engn, Trondheim, Norway
[7] Natl Inst Mat Sci, Ctr Adv Funct Mat, Tsukuba, Ibaraki, Japan