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TITLE: Singlet ground state determined by isolated Cu2+ chain topology in microporous Na2Cu2Si4O11 center dot 2H(2)O and Na2Cu2Si4O11
AUTHORS: dos Santos, AM; Amaral, VS ; Brandao, P ; Paz, FAA ; Rocha, J ; Ferreira, LP ; Godinho, M ; Volkova, O; Vasiliev, A;
PUBLISHED: 2005, SOURCE: PHYSICAL REVIEW B, VOLUME: 72, ISSUE: 9
INDEXED IN: Scopus WOS CrossRef: 9