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Spin-Peierls and incommensurate states in layered S=1/2 system TiOCl |
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| Authors: | SR Saha T Imai FC Chou |
| Institution: | a Department of Physics and Astronomy, McMaster University, Ontario , Canada L8S 4M1 b Canadian Institute for Advanced Research, Canada c Center for Condensed Matter Sciences, National Taiwan University, Taipei 106, Taiwan |
| Abstract: | We demonstrate that TiOCl is a good model inorganic system to investigate spin-Peierls state. Our 35Cl and 47,49Ti NMR data show that a pseudo spin-gap behavior below T*=135 K precedes successive phase transitions at Tc=94 K and  into a singlet spin-Peierls ground state with a large energy gap Eg/kB=430 K. |
| Keywords: | D NMR |
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