Concurrent Terahertz Spin Excitations and Phase Shift Control in Fe4Nb2O9: A Material for Synergizing Computation and Communication Technologies. - Mehra, Brijesh Singh; Sharma, Karan Datt; Kumar, Sanjeev; Dubey, Gaurav; Gupta, Mitanshi; Singh, Ravi Shankar; Chowdhury, Dibakar Roy; Martin, Christine; Maignan, Antoine; Singh, Kiran; Rana, Dhanvir Singh (Advanced Science, 2026)