Itinerant SDW Phases, Contributions from the CrNb Dilute Alloys

The magnetic phases diagram of antiferromagnetic Cr alloys is very rich with many magnetic phases that are associated to an itinerant antiferromagnetism due to spin-density waves state. In this work we present a systematic study around spin-flip transition of CrNb alloys, in the compositional range represented by Cr
x
Nb
1-x
with
$\mathbf{0}\leq \mathbf{x}$
at%
$\leq \mathbf{3.5}$
. This study revealed a remarkable agreement between the predicted values for
$\mathbf{T}_{\mathbf{N}}/\mathbf{T}_{\mathbf{SF}}$
by Varelogiannis model [3] and our experimental results, supporting the applicability of this model to itinerant antiferromagnetic SDW systems in general and Cr alloys in particular.