Lattice constants and magnetization in MnAs were measured under pressu
res up to 24 kbar at room temperature and 10 kbar at 80 K, respectivel
y. Compresibilities in the MnP-type phase was obtained at pressures fr
om 8 to 24 kbar. Magnetic moment of Mn ion was about 1.6 mu(B) under 8
-10 kbar. (C) 1998 Elsevier Science B.V. Al rights reserved.