['This', 'ferromagnetic', 'to', 'paramagnetic', 'transition', 'is', 'accompanied', 'by', 'large', 'changes', 'in', 'the', 'efficiency', 'of', 'electromagnetic', 'ultrasound', 'generation', 'leading', 'to', 'the', 'use', 'of', 'EMATs', 'as', 'a', 'method', 'of', 'studying', 'phase', 'transitions', 'in', 'magnetic', 'alloys', '[', '18', ']', '.']