Review of NMR studies of nanoscale molecular magnets composed of geometrically frustrated antiferromagnetic triangles

Yuji Furukawa

doi:10.1504/IJNT.2016.080351

paper

Review of NMR studies of nanoscale molecular magnets composed of geometrically frustrated antiferromagnetic triangles

arXiv:1507.00374 · doi:10.1504/IJNT.2016.080351

Abstract

We present a comprehensive review of nuclear magnetic resonance (NMR) studies performed on three nanoscale molecular magnets with different configurations of geometrically frustrated antiferromagnetic (AFM) triangles, new spin frustration systems with different novel structures: (1) the isolated single AFM triangle K $_{6}$ [V $_{15}$ As $_{6}$ O $_{42}$ (H $_{2}$ O)] $\cdot$ 8H $_{2}$ O (in short V15), (2) the spin ball [Mo $_{72}$ Fe $_{30}$ O $_{252}$ (Mo $_{2}$ O $_{7}$ (H $_{2}$ O)) $_{2}$ (Mo $_{2}$ O $_{8}$ H $_{2}$ (H $_{2}$ O))(CH $_{3}$ COO) $_{12}$ (H $_{2}$ O) $_{91}$ ] $\cdot$ 150H $_{2}$ O (in short Fe30 spin ball), and (3) the twisted triangular spin tube [(CuCl $_{2}$ tachH) $_{3}$ Cl]Cl $_{2}$ (in short Cu3 spin tube).

arXiv comment13 pages, 14 figures

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