Describir: Evolution of spin freezing transition and structural, magnetic phase diagram of Dy $$_{2-\textit{x}}$$ 2 - x La $$_\textit{x}$$ x Zr $$_{2}$$ 2 O $$_{7}$$ 7 (0 $$\le$$ ≤ $$\textit{x}$$ x $$\le$$ ≤ 2.0)