Glassy dielectric response in Tb2NiMnO6 double perovskite with similarities to a Griffiths phaseHariharan Nhalil, Harikrishnan S. Nair, H. L. Bhat and Suja ElizabethEPL, 104 6 (2013) 67002DOI: https://doi.org/10.1209/0295-5075/104/67002