Metamagnetism in Ce(Ga,Al)2 |
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| Authors: | K G Suresh S Radha A K Nigam |
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| Institution: | (1) Department of Physics, Indian Institute of Technology, 400 076 Mumbai, India;(2) Department of Physics, Mithibai College, 400 056 Mumbai, India;(3) Iata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Mumbai, India |
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| Abstract: | Effect of Al substitution on the magnetic properties of Ce(Ga1−x
Al
x
)2 (x=0, 0.1 and 0.5) system has been studied. The magnetic state of CeGa2 is found to be FM with a T
C of 8 K, whereas the compounds with x=0.1 and 0.5 are AFM and possess T
N of about 9 K. These two compounds undergo metamagnetic transition and the critical fields are about 1.2 T and 0.5 T. respectively
at 2 K. These variations are explained on the basis of helical spin structure in these compounds. |
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| Keywords: | Metamagnetism intermetallics magnetization Curie temperature anisotropy |
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