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Autor:
Bruce D. Gaulin, E. Kermarrec, Jonathan Gaudet, H. A. Dabkowska, M. M. P. Couchman, Jan Kycia, Yiming Qiu, John R. D. Copley, K. Fritsch, A. O. R. Morningstar, D. Pomaranski, D. D. Maharaj
Publikováno v:
Physical Review B. 92
Recent low temperature heat capacity (C$_P$) measurements on polycrystalline samples of the pyrochlore antiferromagnet Tb$_{2+x}$Ti$_{2-x}$O$_{7+\delta}$ have shown a strong sensitivity to the precise Tb concentration $x$, with a large anomaly exhibi