Ruddlesden-Popper chalcogenides push the limit of mechanical stiffness and glass-like thermal conductivity in single crystals

M Md Shafkat Bin Hoque E Eric R. Hoglund B Boyang Zhao D De-Liang Bao H Hao Zhou S Sandip Thakur (Department of Mechanical, Industrial, and Systems Engineering, University of Rhode Island , Kingston, Rhode Island 02881,) E Eric Osei-Agyemang K Khalid Hattar E Ethan A. Scott M Mythili Surendran J John A. Tomko J John T. Gaskins K Kiumars Aryana S Sara Makarem A Adie Alwen A Andrea M. Hodge G Ganesh Balasubramanian A Ashutosh Giri (Department of Mechanical, Industrial, and Systems Engineering, University of Rhode Island , Kingston, Rhode Island 02881,) T Tianli Feng J Jordan A. Hachtel J Jayakanth Ravichandran S Sokrates T. Pantelides P Patrick E. Hopkins