Influences of P doping on magnetic phase transition and structure in MnCoSi ribbon*
Du Qian-Henga), Chen Guo-Fua), Yang Wen-Yuna), Hua Mu-Xina), Du Hong-Lina)†, Wang Chang-Shenga), Liu Shun-Quana), Hang Jing-Zhia), Zhou Dongb), Zhang Yana), Yan Jin-Boa)
       
M – H curves for compound x = 0.4 around (a) 150 K, (b) 425 K, (c) Arrott plots in the same temperature region, and (d) isofield M – T curves in various fields (1 T–5 T). Inset in Fig.  2(a) indicates the M – H curves in a low field. The arrow in the inset shows the decrease in critical field.