Abstract
The heat capacities of eight chlorine boracites T3B7O13Cl (T=Cr, Mn, Fe, Co, Ni, Cu, Zn or Mg) have been measured in the temperature range 2 to 100 K. Magnetic phase transitions occur below 20 K in the compounds studied except in the two non-magnetic substances Zn3B7O13Cl and Mg3B7O13Cl. The magnetic specific heat capacities give information on magnetic ground state of the transition metals and the entropy related to the phase transitions.
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Schnelle, W., Gmelin, E., Crottaz, O. et al. Low Temperature Specific Heat Capacity of 3d Transition Metal Chlorine Boracites (T3B7O13Cl; T=Cr, Mn, Fe, Co, Ni, Cu, Zn or Mg). Journal of Thermal Analysis and Calorimetry 56, 365–370 (1999). https://doi.org/10.1023/A:1010158919499
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DOI: https://doi.org/10.1023/A:1010158919499