SAD pole figures

2 downloads 0 Views 193KB Size Report
SAD pole figures in transmission and reflection using a high-grade CCD camera as an area detector. B. Schäfer and R. A. Schwarzer. Institut für Metallkunde ...
7H[WXUHDQG$QLVRWURS\RI3RO\FU\VWDOV0DWHULDOV6FLHQFH)RUXP9ROV  

6$'SROHILJXUHVLQWUDQVPLVVLRQDQGUHIOHFWLRQXVLQJD KLJKJUDGH&&'FDPHUDDVDQDUHDGHWHFWRU %6FKlIHUDQG5$6FKZDU]HU ,QVWLWXWIU0HWDOONXQGHXQG0HWDOOSK\VLN78&ODXVWKDO

*URVVHU%UXFK'&ODXVWKDO=HOOHUIHOG*HUPDQ\ .H\ZRUGV

$UHDGHWHFWRUORFDOWH[WXUHSROHILJXUHPHDVXUHPHQWVHOHFWHGDUHDHOHFWURQ GLIIUDFWLRQ

$EVWUDFW

)RUWKHSXUSRVHRIORFDOWH[WXUHDQDO\VLVLQWKH7(0DGHGLFDWHGUHIOHFWLRQKROGHUDQGDELWVORZ VFDQ &&'FDPHUD ZLWK [ SL[HO UHVROXWLRQ DUH LQVWDOOHG ZLWK D  N9 3KLOLSV (0 7(0 7KH V\VWHP SHUPLWV VHOHFWHG DUHD GLIIUDFWLRQ 6$'  SROH ILJXUH PHDVXUHPHQW HLWKHU LQ FRQYHQWLRQDO WUDQVPLVVLRQ RU LQ UHIOHFWLRQ PRGH ZLWK VSDWLDO UHVROXWLRQ RI  µP RU  µP UHVSHFWLYHO\7KHWLPHUHTXLUHGIRUDFRPSOHWHSROHILJXUHPHDVXUHPHQWLVUHGXFHGE\DQRUGHURI PDJQLWXGHDVFRPSDUHGWRDVHTXHQWLDOLQWHQVLW\PHDVXUHPHQW7KLVOHDGVWRPRUHUHOLDEOHUHVXOWVDV WKHORQJWHUPLQVWDELOLW\RIWKH7(0LVRYHUFRPH7KHGLIIUDFWLRQLPDJHVDUHJUDEEHGDQGVWRUHGLQ SHUPDQHQW FRPSXWHU PHPRU\ 6HYHUDO FRUUHFWLRQV RU D ILUVW 2') LQWHUSUHWDWLRQ PD\ WDNH SODFH LPPHGLDWHO\ DIWHU SROH ILJXUH PHDVXUHPHQW KDV EHHQ ILQLVKHG ([SHULPHQWDO UHVXOWV RI 6$' SROH ILJXUHPHDVXUHPHQWDUHSUHVHQWHG

,QWURGXFWLRQ

7KH LQYHVWLJDWLRQ RI WH[WXUH FRPSRQHQWV ORFDOL]HG LQ VPDOO VSHFLPHQ DUHDV HJ VKHDU EDQGV FDQ RQO\ EH UHDOL]HG XVLQJ HOHFWURQ SUREHV \LHOGLQJ D VSDWLDO UHVROXWLRQ EHWWHU WKDQ µP :LWK WKH VFDQQLQJ HOHFWURQ PLFURVFRSH 6(0  DQG DXWRPDWHG WHFKQLTXHV RI GDWD DFTXLVLWLRQ >@ WH[WXUH PDSSLQJEDVHGRQLQGLYLGXDORULHQWDWLRQPHDVXUHPHQWZLWKDUHVROXWLRQGRZQWRµPLVUHDGLO\ DFKLHYHG +RZHYHU LI JUDLQ VL]H EHFRPHV VPDOOHU WKDQ  µP RU LI WKH LQYHVWLJDWLRQ RI KLJKO\ GHIRUPHGPDWHULDOLVGHVLUHGWKH6$'WHFKQLTXHZLWKWKHWUDQVPLVVLRQHOHFWURQPLFURVFRSHJLYHV LQJHQHUDOPRUHVDWLVIDFWRU\UHVXOWV>@,QSULQFLSDOWKH7(0FDQEHRSHUDWHGERWKLQVHOHFWHG DUHD WUDQVPLVVLRQ DV ZHOO DV LQ UHIOHFWLRQ HOHFWURQ GLIIUDFWLRQ ZLWK D VSDWLDO UHVROXWLRQ RI DERXW µP DQG  µ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

7H[WXUHDQG$QLVRWURS\RI3RO\FU\VWDOV0DWHULDOV6FLHQFH)RUXP9ROV  

, [KNO] = ,  ⋅ λ  ⋅ )(KNO)  9 F ⋅ Σ $ L ⋅ L

VLQ  πV L W L (πV L ) 

 

,LVWKHLQWHQVLW\RIWKHSULPDU\EHDPλWKHHOHFWURQZDYHOHQJWK) KNO WKHVWUXFWXUHDPSOLWXGH9F WKHYROXPHRIWKHXQLWFHOO)XWKHUPRUH$L LVWKHDUHDWL WKHSDWKOHQJWKRIWKHSULPDU\EHDPDQGVL WKHH[FLWDWLRQHUURULQJUDLQQXPEHUL,IWKHVDPSOHLVWH[WXUHGWKHULQJLQWHQVLWLHVDUHPRGXODWHGE\ WKHSROHGHQVLW\IXQFWLRQ3KNNO α,β DFFRUGLQJWR , [KNO] (α β) = FRQVW ⋅ , [KNO] ⋅ 3 [KNO] (α β)

 

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

  7KH VLJQDO WR EDFNJURXQG UDWLR LV QRUPDOO\ FRQVLGHUDEO\ ORZHU WKDQ LQ WUDQVPLVVLRQ HOHFWURQGLIIUDFWLRQ XQOHVV YHU\ FOHDQ DQG IODW VXUIDFHV DUH DYDLODEOH 7KH EDFNJURXQG VWHHSO\ GHFOLQHVIURPWKHSULPDU\EHDPVSRWZLWKLQFUHDVLQJVFDWWHULQJDQJOH7KHUHIRUHDG\QDPLFDO UDQJHRIDWOHDVWELWLVQHFHVVDU\WRSHUIRUPDUHOLDEOHHYDOXDWLRQRIWKHH[SHULPHQWDOGDWD

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

([SHULPHQWDOVHWXS

7KHH[SHULPHQWDOVHWXSFRQVLVWVRID3+,/,36(07(0DVORZVFDQ&&'FDPHUD *$7$1 %3  D IUDPH JUDEEHU ERDUG D GHGLFDWHG VSHFLPHQ KROGHU *$7$1 PRGHO   IRU UHIOHFWLRQ DV ZHOO DV D FRQYHQWLRQDO VLQJOH WLOW KROGHU IRU WUDQVPLVVLRQ HOHFWURQ GLIIUDFWLRQ PHDVXUHPHQWV

7KH&&'GHWHFWRUKDVDGLDPHWHURI

LWSURYLGHVDSL[HOUHVROXWLRQRI⋅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

7H[WXUHDQG$QLVRWURS\RI3RO\FU\VWDOV0DWHULDOV6FLHQFH)RUXP9ROV  

)LJ6NHWFKRISURMHFWLRQFKDPEHUDQG&&'GHWHFWRUV\VWHPIRUWKHDTXLVLWLRQRIGLIIUDFWLRQ SDWWHUQV

5HIOHFWLRQHOHFWURQGLIIUDFWLRQPHDVXUHPHQWVZHUHSHUIRUPHGXVLQJWKHSDUWLFXODUVSHFLPHQKROGHU VKRZQ LQ ILJ  7KH VSHFLPHQ LV PRXQWHG RQ D IODW VWDJH DQG FDQ EH URWDWHG DERXW WKH VXUIDFH QRUPDOIURPWRFRYHULQJWKHZKROHD]LPXWKRIWKHSROHVSKHUHLQWKLVZD\)XUWKHUPRUHWKH DQJOH RI LQFLGHQFH D SDUDPHWHU RQ ZKLFK WKH UHIOHFWHG LQWHQVLW\ GHSHQGV TXLWH VHQVLWLYHO\ FDQ EH YDULHG IURP  WR  7KH KROGHU LV HTXLSSHG ZLWK D VWHS PRWRU ZKLFK FDQ EH RSHUDWHG HLWKHU PDQXDOO\RUFRPSXWHUFRQWUROOHGYLDDQDSSURSULDWHLQWHUIDFH

)LJ6SHFLPHQKROGHUIRU5+(('SROHILJXUHPHDVXUHPHQWLQWKH7(0

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

7H[WXUHDQG$QLVRWURS\RI3RO\FU\VWDOV0DWHULDOV6FLHQFH)RUXP9ROV  

'DWD3URFHVVLQJ

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α β) = FRQVW ⋅

ZLWKWKHFRUUHFWLRQIDFWRU.D β  LQWUDQVPLVVLRQDQG

. D (β) =

, [KNO] (α β) . D (β)

H[S(−µ/ FRV(β)) FRV(β)

µW H µW H   . D (β) = H[S − +  FRV γ VLQ ϑ % FRV β − VLQ γ FRV ϑ % FRV γ VLQ ϑ % − VLQ γ FRV ϑ % 



D E

LQUHIOHFWLRQPRGHUHVSHFWLYHO\,QHT DE µVWDQGVIRUDQDYHUDJHGDEVRUSWLRQFRHIILFLHQWZKLFK KDVWREHGHWHUPLQHGH[SHULPHQWDOO\γ IRUWKHDQJOHRILQFLGHQFHϑΒ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

7H[WXUHDQG$QLVRWURS\RI3RO\FU\VWDOV0DWHULDOV6FLHQFH)RUXP9ROV  

([SHULPHQWDOUHVXOWV

$VDQH[DPSOH)LJDVKRZH[SHULPHQWDOWUDQVPLVVLRQSROHILJXUHVRIDVKHDUEDQGLQ α−EUDVV 7KH ZLGWK RI WKH VKHDU EDQG ZDV DSSUR[LPDWHO\  µP +HQFH LW ZDV QHFHVVDU\ WR DGMXVW LW 6' SHUSHQGLFXODUWRWKHWLOWD[LVLQRUGHUWRDYRLGDQLQFUHDVLQJFRQWULEXWLRQWRWKHPHDVXUHGYROXPH IURP WKH PDWUL[ DW ODUJHU WLOW DQJOHV $V H[SHFWHG IURP VXFK D VPDOO VSHFLPHQ DUHD WKH WH[WXUH LV TXLWHSURQRXQFHGDQGGRPLQDWHGE\DQLGHDORULHQWDWLRQRIWKHIHZVDPSOHGJUDLQV7KHVHUHVXOWVDUH FRQILUPHGE\2')FDOFXODWLRQZKLFKZDVFDUULHGRXWXVLQJWKHDQGSROHILJXUHV UHVSHFWLYHO\ ILJVE 

)LJDE([SHULPHQWDO6$'SROHILJXUHDIWHUDEVRUSWLRQDQGEDFNJURXQGFRUUHFWLRQ D DQG UHFDOFXODWHG E SROHILJXUHRIDVKHDUEDQGLQα−EUDVVOPD[ 

)LJUHGXFHG2') φ1FXWV RIDVKHDUEDQGLQα−EUDVVOPD[ 

7H[WXUHDQG$QLVRWURS\RI3RO\FU\VWDOV0DWHULDOV6FLHQFH)RUXP9ROV  

&RQFOXVLRQ

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

$FNQRZOHGJHPHQW :H DUH LQGHEWHG WR WKH 'HXWVFKH )RUVFKXQJVJHPHLQVFKDIW IRU VXSSRUWLQJ WKH SURMHFW ')*)RUVFKHUJUXSSH7H[WXUXQG$QLVRWURSLHNULVWDOOLQHU6WRIIH 

5HIHUHQFHV      

5 $ 6FKZDU]HU 7KH VWXG\ RI FU\VWDO WH[WXUH E\ HOHFWURQ GLIIUDFWLRQ RQ D JUDLQ VSHFLILF VFDOH0LFURVFRS\ $QDO\VLV  ) - +XPSKUH\V 7KH GHWHUPLQDWLRQ RI FU\VWDOORJUDSKLF WH[WXUHV IURP VHOHFWHG DUHDV RI D VSHFLPHQE\HOHFWURQGLIIUDFWLRQ7H[WXUHVDQG0LFURVWXFWXUH   5 $ 6FKZDU]HU 3ROILJXUPHVVXQJ PLW HLQHP FRPSXWHUJHVWHXHUWHQ 7UDQVPLVVLRQV(OHN WURQHQPLNURVNRS%HLWUHOHNWURQHQPLNURVN'LUHNWDEE2EHUIO %('2   5 $ 6FKZDU]HU 1 & .ULHJHU/DVVHQ DQG % 6FKlIHU (OHFWURQ WH[WXUH JRQLRPHWHU FRQVLVWLQJRID7(0ZLWKVLGHHQWU\JRQLRPHWHUDQGD&&'FDPHUDDVDQDUHDGHWHFWRU3URF ,&2720  +-%XQJH7H[WXUHDQDO\VLVLQPDWHULDOVVFLHQFH%XWWHUZRUWKV/RQGRQ   %6FKlIHU 2') FRPSXWHU SURJUDP IRU KLJKUHVROXWLRQ WH[WXUH DQDO\VLV RI ORZV\PPHWU\ PDWHULDOV0DWHULDOV6FLHQFH)RUXP   7KLVYROXPH