Copper Valence and Local Environment in Aluminophosphate Glass-Ceramics for Immobilization of High Level Waste from Uran

  • PDF / 352,656 Bytes
  • 6 Pages / 432 x 648 pts Page_size
  • 15 Downloads / 144 Views

DOWNLOAD

REPORT


 &RSSHU9DOHQFHDQG/RFDO(QYLURQPHQWLQ$OXPLQRSKRVSKDWH*ODVV&HUDPLFVIRU ,PPRELOL]DWLRQRI+LJK/HYHO:DVWHIURP8UDQLXP*UDSKLWH5HDFWRU 6SHQW1XFOHDU)XHO5HSURFHVVLQJ  6HUJH\96WHIDQRYVN\$QGUH\$6KLU\DHY0LFKDHO%5HPL]RY(OHQD$%HODQRYD3DYHO $.R]ORY%RULV)0\DVRHGRY  )UXPNLQ,QVWLWXWHRI3K\VLFDO&KHPLVWU\DQG(OHFWURFKHPLVWU\5$6/HQLQVNLLDY%OG 0RVFRZ5XVVLD  )68(3URGXFWLRQ$VVRFLDWLRQ³0D\DN´ /HQLQVW2]HUVN&KHO\DELQVNUHJ5XVVLD  9HUQDGVN\,QVWLWXWHRI*HRFKHPLVWU\DQG$QDO\WLFDO&KHPLVWU\5$6.RV\JLQVW0RVFRZ   $%675$&7  &RSSHUYDOHQFHDQGHQYLURQPHQWLQWZRVRGLXPDOXPLQRSKRVSKDWHJODVVHVVXJJHVWHGIRU LPPRELOL]DWLRQRI+/:IURPUHSURFHVVLQJRIVSHQWIXHORIXUDQLXPJUDSKLWHFKDQQHOUHDFWRU 5XVVLDQ$0% ZHUHVWXGLHGE\;5'6(0(';;$)6DQG(357DUJHWJODVVIRUPXODWLRQV FRQWDLQHGaPRO&X27KHTXHQFKHGVDPSOHVZHUHSUHGRPLQDQWO\DPRUSKRXV7KHDQ QHDOHG0J2IUHHVDPSOHKDGKLJKHUGHJUHHRIFU\VWDOOLQLW\WKDQWKHDQQHDOHG0J2EHDULQJVDP SOHEXWERWKWKHPFRQWDLQHGRUWKRSKRVSKDWHSKDVHV&XLQWKHPDWHULDOVZDVSDUWLWLRQHGLQIDYRU RIWKHYLWUHRXVSKDVH,QDOOWKHVDPSOHVFRSSHULVSUHVHQWDVPDMRU&XDQGPLQRU&XLRQV &XLRQVIRUPSODQDUVTXDUHFRPSOH[HV &1  ZLWKD&X2GLVWDQFHRIc7ZR PRUHLRQVDUHSRVLWLRQHGDWDGLVWDQFHRIcIURP&XLRQV6RWKH&XHQYLURQPHQW ORRNVOLNHDVWURQJO\HORQJDWHGRFWDKHGURQDVLWDOVRIROORZVIURPWKHDEVHQFHRIWKHSUHHGJH SHDNGXHWR1sĺ3dWUDQVLWLRQLQ&X.HGJH;$1(6VSHFWUDRIWKHPDWHULDOV&XLRQVIRUPWZR FROOLQHDUERQGVDW&X2GLVWDQFHVRIc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−2−&XEULGJLQJERQGVZKLFKFDQUHSODFH 3−2⋅⋅⋅1DERQGVHQKDQFLQJWKHFKHPLFDOGXUDELOLW\RIWKHJODVVHV(35VWXGLHVKDYHGHPRQVWUDW HGRFFXUUHQFHRI&XLRQVLQERWKVLOLFDWHDQGSKRVSKDWHJODVVHV VHHIRUH[DPSOH>@DQG UHYLHZ>@ 7KHPRVWLPSRUWDQWWZRFRQFOXVLRQVZHUHPDGH&XLRQKDVDWHQGHQF\WRGLFWDWH LWVRZQHQYLURQPHQWLQPDQ\R[LGHJODVVHV>@DQG&XLRQVDUHSDUWLWLRQHGDPRQJWZRFR H[LVWLQJSKDVHVLQSKDVHVHSDUDWHGJODVVHVRFFXS\LQJWZRXQHTXLYDOHQWVLWHVDQGSURGXFHWZR (35VSHFWUDZLWKHVVHQWLDOO\GLIIHUHQWSDUDPHWHUV>@