Schnegg Alexander, Behrends Jan, Lips Klaus, Bittl Robert, Holldack Karsten
Helmholtz-Zentrum Berlin für Materialien und Energie, Institut für Silizium-Photovoltaik, Kekuléstr. 5, D-12489 Berlin, Germany.
Phys Chem Chem Phys. 2009 Aug 21;11(31):6820-5. doi: 10.1039/b905745e. Epub 2009 Jun 23.
Frequency domain Fourier transform THz electron paramagnetic resonance (FD-FT THz-EPR) based on coherent synchrotron radiation (CSR) is presented as a novel tool to ascertain very large zero field splittings in transition metal ion complexes. A description of the FD-FT THz-EPR at the BESSY II storage ring providing CSR in a frequency range from 5 cm(-1) up to 40 cm(-1) at external magnetic fields from -10 T to +10 T is given together with first measurements on the single molecule magnet Mn(12)Ac where we studied DeltaM(S) = +/-1 spin transition energies as a function of the external magnetic field and temperature.
基于相干同步辐射（CSR）的频域傅里叶变换太赫兹电子顺磁共振（FD-FT THz-EPR）被提出作为一种确定过渡金属离子络合物中非常大的零场分裂的新工具。本文描述了在BESSY II储存环上的FD-FT THz-EPR，该储存环在-10 T至+10 T的外部磁场下提供频率范围从5 cm⁻¹到40 cm⁻¹的CSR，并给出了对单分子磁体Mn(12)Ac的首次测量结果，我们研究了ΔM(S)=±1自旋跃迁能量作为外部磁场和温度的函数。
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