2025-03-17 | Proposal and theoretical investigation of 229Th-doped nonlinear optical crystals for compact solid-state clocks – Appl. Phys. Lett. Morgan, H. W. T.; Elwell, R.; Terhune, J. E. S.; Tran Tan, H. B.; Perera, U. C.; Derevianko, A.; Alexandrova,* A. N.; Hudson, E. R.