Two-Dimensional Metal Dicyanamide Frameworks of Betrime[M(Dca)3(H2O)] (Betrime = Benzyltrimethylammonium; Dca = Dicyanamide; M = Mn2+, Co2+, Ni2+): Coexistence of Polar and Magnetic Orders and Nonlinear Optical Threshold Temperature Sensing
                        AuthID
P-00S-QQK
                
    P-00S-QQK
 
    
                     
    
                     
                    