Amplification of valley polarization in an hBN-separated MoSe2−WSe2 heterostructureRemoveFateme Mahdikhany, Jacob Cutshall, Daniel Shanks, Garett Reichenbach, Davoud Adinehloo, Michael R. Koehler, David G. Mandrus, Takashi Taniguchi, Kenji Watanabe, Vasili Perebeinos, Brian J. LeRoy, and John R. SchaibleyPhys. Rev. B 114, 105307 (2026)