Table 1 Crystallographic parameters and composition from XRD and SEM-EDX analysis at room-temperature.

From: Complex magnetic properties associated with competing local and itinerant magnetism in \({\text {Pr}}_2 {\text {Co}}_{0.86} {\text {Si}}_{2.88}\)

Compound

\({\text {Pr}}_2 {\text {Co}}_{0.86} {\text {Si}}_{2.88}\)

Structure

\({\text {U}}_2 {\text {RuSi}}_3\) type

Space group

P6/mmm

Lattice parameters

a (Å)

8.101

c (Å)

4.212

\({\text {R}}_{\rm{f}}\)(%)

0.766

\({\text {R}}_{{\rm{Bragg}}}\)(%)

1.33

Atomic parameters

Estimated composition

Atom

Wyckoff site

x

y

z

Full-Rietveld

EDX

Pr1

1a

0

0

0

  

Pr2

3f

1/2

0

0

  

Co

2d

1/3

2/3

1/2

\({\text {Pr}}_2 {\text {Co}}_{0.95(1)} {\text {Si}}_{2.96(2)}\)

\({\text {Pr}}_2 {\text {Co}}_{0.98(1)} {\text {Si}}_{2.87(1)}\)

Si

6m

0.1671(1)

0.3342(2)

1/2

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