80 likes | 168 Views
Summary of Collaborative Investigation: CU-6. Jeffrey Clayhold, Miami University, USA Shiou-Jyh Hwu, Clemson University, USA Raivo Stern & Toomas Rõõm, National Institute of Chemical Physics & Biophysics, Estonia Sergei Zvyagin, National High Magnetic Field Laboratory, USA. CU-6-Cl. 2mm.
E N D
Summary of Collaborative Investigation: CU-6 Jeffrey Clayhold, Miami University, USA Shiou-Jyh Hwu, Clemson University, USA Raivo Stern & Toomas Rõõm, National Institute of Chemical Physics & Biophysics, Estonia Sergei Zvyagin, National High Magnetic Field Laboratory, USA
CU-6-Cl 2mm CU-6; (AX)·Cu5O2(M’O4)2(A = Rb, Cs; X = Cl, Br, I; M’=P, As ) High-Temperature, Solid-State Synthesis CsCl + 5 CuO + As2O5 (CsCl)·Cu5O2(AsO4)2 800oC in carbon-coated fused silica
Cu(1)-O-As slab Cu(2)-O slab Cu(2)-O slab Novel Layered Cuprates with Kagome Network of a Pyrochlore-Type dCu-Cl = 3.149 Å Kagome Lattice a)Averievite : Starova, et al., Minerological Magazine1997, 61, 441-446. b) Hwu et al.Angew. Chem. Int. Ed. Engl., submitted.
Greedan, J. Mater. Chem.2001, 11, 37-53 and references cited therein. Magnetic Susceptibility of Geometrically Frustrated Magnetic Kagome Lattice • = -204(7) K • meff = 1.93(4) mBM ?
Room temperature 133Cs MAS NMR in Geometrically Frustrated Magnetic Kagome LatticeCU-6: (CsCl)·Cu5O2(AsO4)2 Multiple Cs sites at room temperature?
Variable temperature 133Cs MAS NMR in Geometrically Frustrated Magnetic Kagome LatticeCU-6: (CsCl)·Cu5O2(AsO4)2
Variable temperature 133Cs MAS NMR in Geometrically Frustrated Magnetic Kagome LatticeCU-6: (CsCl)·Cu5O2(AsO4)2
Variable temperature 133Cs MAS NMR in Geometrically Frustrated Magnetic Kagome LatticeCU-6: (CsCl)·Cu5O2(AsO4)2