Young's modulus, magnetization and magnetostriction measurements were
made as a function of applied magnetic field (0 < H < 160 kA/m) and co
mpressive stress (5 MPa < sigma < 50 MPa) in single crystal TbZn at 77
K. Piezomagnetic d-constants greater than 300 nm/A and changes in You
ng's modulus greater than 40 GPa were found. Magnetomechanical couplin
g factors reached 0.94.