Thermally Engineered Sodium‐Embedded Alumina with Programmable Synaptic Plasticity for Neuromorphic Transistors. - Kwon, Yonghyun Albert; Kim, Jaeyeon; Won, Dong Yeon; Park, Saeyoun; Yoo, Youngjae; Kim, Seongchan; Kim, Dong‐Hwan; Cho, Jeong Ho (Advanced Functional Materials, 2026)