Sample Preparation and Resistivity Measurements for Operando Transmission Electron Microscopy During Heating and Electrical Biasing0 views•2026•Engineering•Topical CollectionDominique A. Mattlat1, Chanwon Jung1,2, Pingjun Ying3, Kyuseon Jang1, Eleonora Isotta1, Ruben Bueno-Villoro1, Yevheniy Pivak4, Jun Li3, Shiyang He3, Kornelius Nielsch3, Amin Bahrami3, Christina Scheu1, Siyuan Zhang1Dominique A. Mattlat1Chanwon Jung1,2Pingjun Ying3Kyuseon Jang1Eleonora Isotta1Ruben Bueno-Villoro1Yevheniy Pivak4Jun Li3Shiyang He3Kornelius Nielsch3Amin Bahrami3Christina Scheu1Siyuan Zhang11Max Planck Institute for Sustainable Materials, 2Pukyong National University, 3Leibniz Institute for Solid State and Materials Research, 4DENSsolutions B.V.Max Planck Institute for Sustainable MaterialsPukyong National UniversityLeibniz Institute for Solid State and Materials ResearchDENSsolutions B.V.