Magnetic phase diagram investigation of the organic geometrically frustrated compound TNN·CH3CN
The S = 1/2 geometrically frustrated spin systems cases are fascinating due to the interplay between quantum fluctuations and geometric frustration, which is less understood. We have succeeded in synthesizing the new triangular compounds TNN·CH3CN which has a unique two-dimensional structure. Our recent study revealed that two ordered phases exist: One is below 0.25 K at fields below 1.24 T and another is below 0.34 K between 8.45 T and 11.28 T. Above 11.28 T, magnetization reaches full saturation. In the field range 1.24-8.45 T, where the magnetization takes a constant value at 1/3 of full saturation moment no long-range order was observed down to 10 mK. In this proposal we apply for 7 days of beam time on the single crystal diffractometer D10 and 5 days at D19 to refine the nuclear structure at low temperature and to determine the magnetic structure of phase at zero field.
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J Campo; Caņadillas-Delgado, L.; COVA Federico Hector; FABELO ROSA Oscar Ramon; LALIENA Victor; LUZON Javier; Miguel Pardo-Sainz; PIQUER Cristina and RODRIGUEZ VELAMAZAN Jose Alberto. (2021). Magnetic phase diagram investigation of the organic geometrically frustrated compound TNN·CH3CN. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-41-1119
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