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A series of single phase and nanostructured Cr–Ga substituted M-type hexaferrites BaCr x Ga x Fe 12−2x O 19 (x=0.0–0.4) were synthesized by sol–gel auto-combustion route. The powder samples were pressed into pellets of diameter 12mm using an excellent technique Cold Isostatic Pressing (CIP) at a pressure of 2000bar for higher densification. The powdered samples...
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