Influence of Nd Substitution by La in Nd_0.7Sr_0.3MnO₃ on Structural and Transport Properties for Sensing Applications

Table 2

Theoretical fitted parameters below 𝑇_MI, and maximum %TCR (see Figure 4) with respect to average radius ⟨𝑟_𝐴⟩ of NLSMO series.

Composition	Sample; code	Average radius; ⟨𝑟𝐴⟩ Å	𝜌0 (Ω cm)	𝜌2; (Ω cm K^−2)	𝜌4.5; (Ω cm K^−4.5)	Maximum TCR% (K^−1)
Nd0.7Sr0.3MnO3	NLSMO 0	1.321	0.05036	3.32𝐸−6	4.31𝐸−12	1.40
Nd0.6La0.1Sr0.3MnO3	NLSMO 1	1.330	0.02208	1.40𝐸−6	−5.15𝐸−13	2.66
Nd0.5La0.2Sr0.3MnO3	NLSMO 2	1.339	0.00341	2.10𝐸−7	−6.41𝐸−14	2.65