On the Magnetic State of Monoclinic-Cu_<1-x>A_xNb_2O_6(A=Zn,Co and Ni)
スポンサーリンク
概要
- 論文の詳細を見る
Efl'ects of Ctr-site strbstittrtioua xvith Zra, Co atud Xi on the spin-gapped state of' CtrNbzO(3, whichhas ferromagraetic-antiferrotaaagnetic ?t1tertasrting spin (S : 172) chains of Ctr" ions, have beenstudied by taaeastrring the tnagnetic strsceptibilities ar?d the specific laeats. The restrlts indicatethat itnpurity atouaus iraduce an "isolated" unagruetic zaao?ment naainly at orae of tlae rueighboritng Ctrsites originally connected xvitla tlae atatiferrotnagnetic exchanuge inateractiora, with the otlaer part of'Ctr sutes being essentially lcept in tl?e sjcita-g?tpped states. For Co" (Ni") impurities, localizedspur?s with S = 2 (3 /2) are f'orraued by tlae f'errornagnetic cotrplitug betxveer'n the iraapttrity spins andtlae indtrced ones (note tlaat tlae couplitug is IIOXV ferrotnagruetic even tlaotmgla it is auatiferrornagnaetic111 the trndoped systern).
- 社団法人日本物理学会の論文
- 1999-06-15
著者
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KATO Masaya
Department of Physics,Division of Material Science,Nagoya University
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Kato Masaya
Department Of Cardiology Hiroshima City Asa Hospital
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YOSHII Shunsuke
CREST, Japan Science and Technology Corporation (JST)
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Yoshii Shunsuke
Crest Japan Science And Technology Corporation (jst)
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Kato Masaya
Department Of Physics Division Of Material Science Nagoya University
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Sato Masatoshi
Department Of Agro-environmental Science Obihiro University Of Agriculture And Veterinary Medicine
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