Site-specific atomic substitution in a giant magnetocaloric <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi mathvariant="normal">Fe</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">P</mml:mi></mml:math> -type system
Physical review. B./Physical review. B