Thermal Stability of Nanocrystalline Ag–Cu–Al Alloy Films with Densely Dispersed Alumina Particles Prepared via Reactive Sputtering Using Ar–O2 Mixed Gas. - Ueshima, Yoshiyuki; Hasegawa, Masakatsu; Kubota, Naoyoshi; Matamura, Yuya; Matsubara, Eiichiro; Seki, Kazuaki; Hirato, Tetsuji (Metallurgical & Materials Transactions. Part A, 2024)