The Ni-P phase diagram in [2000Oka] was constructed based on thermodynamic modeling by [1999Shi] (0 to 33.3 at.% P) and assessment by [1991Lee] (33.3 to 100 at.% P). All phases were assumed to be line compounds in [1999Shi].

[2009Sch] investigated the Ni-P phase diagram based on XRD and EMPA. The result is shown in Fig. 1 (0 to 66.7 at.% P). βNi5P2, βNi12P5, and Ni2P have measurable width (enlarged in Fig. 2). The rest of the phase diagram in Fig. 1 has been redrawn from [1991Lee].

Fig. 1
figure 1

Ni-P phase diagram

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Fig. 2
figure 2

Enlarged Ni-P phase diagram (18 to 40 at.% P)

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Ni-P crystal structure data are given in Table 1.

Table 1 Ni-P crystal structure data
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