TY - RPRT TI - Ultrafast low-temperature metal–insulator interface phonon dynamics and heat transport in a Pt/Gd 3 Fe 5 O 12 heterostructure AU - Sri Gyan, Deepankar [Univ. of Wisconsin, Madison, WI (United States)] (ORCID:0000000316722617) AU - Li, Ni [Univ. of Wisconsin, Madison, WI (United States)] (ORCID:0000000272811828) AU - Chen, Zhantao [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)] (ORCID:0000000319543868) AU - Geprägs, Stephan [Bavarian Academy of Sciences and Humanities, Garching (Germany)] (ORCID:0000000309852341) AU - Dietlein, Maxim [Bavarian Academy of Sciences and Humanities, Garching (Germany); Technical Univ. of Munich (Germany)] (ORCID:0009000986990714) AU - Gross, Rudolf [Bavarian Academy of Sciences and Humanities, Garching (Germany); Technical Univ. of Munich (Germany); Munich Center for Quantum Science and Technology (MCQST), Munich (Germany)] (ORCID:0000000345247552) AU - Sato, Takahiro [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)] (ORCID:0000000322020910) AU - Sun, Yanwen [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)] (ORCID:0000000159266565) AU - Hoffmann, Matthias C. [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)] (ORCID:0000000235969853) AU - Zhu, Diling [SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States). Linac Coherent Light Source (LCLS)] (ORCID:0009000149419799) AU - Haskel, Daniel [Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)] (ORCID:0000000255325908) AU - Strempfer, Jörg [Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)] (ORCID:0000000264430283) AU - Li, Mingda [Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)] (ORCID:0000000270556368) AU - Mannix, Danny [Univ. of Grenoble Alpes, Grenoble (France); European Spallation Source (ESS), Lund (Sweden)] (ORCID:0009000435728488) AU - Evans, Paul G. [Univ. of Wisconsin, Madison, WI (United States)] (ORCID:0000000304216792) PY - 2025 DO - 10.1063/4.0000778 UR - https://www.osti.gov/biblio/2941416 ID - 2941416 ER -