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Solid State Theory_E

Date post: 03-Jun-2018
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    "dgjmsbiudgrpbysmcs.mj" 7

    CBKDMSP\]

    Sefm` StgtkStgtk ea dgttkr `kpkj`s ej.(m) Pkj`kjcy ea rkfgtmvk detmej gt g pgrtmcufgr tkdpkrgturk.(mm) Mjtkrdefkcufgr aercks.

    Pglfk 8 7

    ^repkrtmks Sefm` Fmqum` Ogsks

    (m) Detmej ea pgrtmcgf. Je arkk detmej

    ejfy vmlrgtmej gffew.\gj`ed detmej te

    g fmdmtk` kxtkjt ms gffewk`. Petgffy rgj`ed.

    (mm) Mjtkr defkcufgraercks

    Qkry strejo Mjtkrdk`mgtk

    strkjotb Qkry wkgi (~ zkre)

    (mmm) Gvkrgok skpgrgtmej(vefudk)

    Gvkrgok skpgrgtmej ms amxk`se vefudk ms amx.

    Gvkrgok skpgrgtmej msgfdest cejstgjt se gfdest

    amxk` vefudk.Je amxk` vefudk.

    (mv) Sbgpk@kamjgtk sbgpk gs

    fecgtmej ea pgrtmcgf grkamxk`.

    Gvkrgok skpgrgtmej ms amxk`lut fecgtmej ea pgrtmcgf msjet amxk` se je `kamjgtk

    sbgpk..

    Je amxk` sbgpk.

    (v) Kaakct ea cbgjok mjprkssurk & tkdpkrgturk. Grk mjcedprkssmlfk. Fmqum` grk gfse gfdestmjcedprkssmlfk. Bmobfy cedprkssmlfk.

    (vm) Bkgt cgpgcmtmksBkgt cgpgcmty ms

    gfdest mj`kpkj`kjtea preckss.

    Sgdk gs sefm`. Bkgt cgpgcmty ms `kpkj kjt

    ej preckss.

    Pypks ea Sefm` 8

    ( 7) C fg ss m a mc g tm e j e j tb k l g s ms e a a e r c ks g d e j o c e j s t m tu t m j o p g rt m c fk s

    Pglfk 8 gdu.

    Sef. (m) R 42

    7 1 4

    0

    3,

    ] 42

    7 < +

    (mm) 7 gdu 4 7.1? 7>0

    7>1>

    0

    ?0>

    0

    3

    gdu/cc 4 1?.733;

    4 1=.2 orgd/cc.

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    "dgjmsbiudgrpbysmcs.mj" ?

    CBKDMSP\]

    Structurk ea Sefm`s 8

    Fgttmck 8(7 @, >%).

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    "dgjmsbiudgrpbysmcs.mj" 2

    CBKDMSP\]

    Amourk

    (m) \kfgtmej lktwkkj g & \.

    cerjkr gteds grk teucbmjo kgcb etbkr se, g 4

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    "dgjmsbiudgrpbysmcs.mj" =

    CBKDMSP\]

    Le`y ckjtkrk` culmc (LCC) 8

    Amourk

    Jet se cfesk pgci grrgjokdkjt.

    Pbk fgttmck pemjt mj

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    "dgjmsbiudgrpbysmcs.mj" 77

    CBKDMSP\]

    [jmt ckff 8g 4 4 x0( 21.> .7;;.

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    "dgjmsbiudgrpbysmcs.mj" 7;

    CBKDMSP\]

    3-@mdkjsmejs vem 8

    (m) Pktrgbk`rgf vem` Y3@-0 ceer`mjgtk vem`T

    Ma MMj` fgykr spbkrk grk pfgck` evkr g trmgjoufgr vem` tbkj jkw vem` ms tktrgbk`rgf.

    Amourk

    smj;000 4

    r\

    \

    \

    r4 >.

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    "dgjmsbiudgrpbysmcs.mj" 71

    CBKDMSP\]

    (3) Culmcgf vem` (3@-2-ceer mjgtk vem )

    Spbkrk grk teucb gfejo le`y `mgoejgf 8

    g3 4 < Y\ + rT

    < \3 4 < Y\ + rT

    \

    r4 >.?3< Amourk

    Fecgtmej ea vem` 8

    (m) ACC er CC^ ujmt ckff 8

    (g) Pktrgbk`rgf vem` 8

    ACC ujmt ckff bgs 2 tktrgbk`rgf vem pkr ujmt ckff. Hust lkfew kvkry cerjkr ea tbk ujmt ckff.Gs ujmt ckff bgs 2 cerjkr tbgts wby ACC ujmt ckff bgs 2 tktrgbk`rgf vem` pkr ujmt ckff.

    @mstgjck ea tktrgbk`rgf vem` aerd cerjkr ms0

    g3gj` `mstgjck lktwkkj twe tktrgbk`rgf vem` ms 4

    .;03 (L) >.?3< (C) >.070 (@) >.13?

    Gjs. (G)

    Sef.ectgbk`rgf

    ftktrgbk`rg

    r

    r4 \070.>

    \.;03.

    (l) P bk judlkrs ea tktrgbk`rgf gj` ectgbk`rgf befks mj g ccp grrgy ea 7>> gteds grk rkspkctmvkfy(G) > gj` 7>> (L) 7>> gj` > (C) > gj` > (@) 7>> gj` 7>>Gjs. (G)

    Kx.70 Ceppkr bgs g agck-ckjtrk` culmc structurk wmtb g ujmt-ckff k`ok fkjotb ea 3.17. _bgt ms tbk smzk ea tbkfgrokst gted wbmcb ceuf` amt mjte tbk mjtkrstmcks ea tbk ceppkr fgttmck wmtbeut `mstertmjo mt5

    Amourk(Bmjt. 8Cgfcufgtk tbk rg`mus ea tbk sdgffkst cmrcfk mj tbk amourk)

    Gjs. >.;3Sef. r ectgbk`rgf 4 >.070 \

    aer ACC 0\ 4 g

    \g`mus rgtme Pypk ea vem` eccupmk` Ceer`mjgtmej Je.

    r

    r

    6 >.7;; fmjkgr vem` .7;;

    r

    r6 >..?3< ectgbk`rgf vem` 1

    >.?3

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    "dgjmsbiudgrpbysmcs.mj" 7=

    CBKDMSP\]

    Gjmej Cgtmej

    Amourk

    Aer Cf 8Pglfk 8 77

    Pypk ea jkmobleur @mstgjck Je. ea jkmobleurs

    Jkgrkst Jg+, 402

    )7>1.07>.070

    Lr 4 070.>rG 4

    070.>

    74 pd.

    ?. Pbk C.J. ea tbk lgrmud mej Lg

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    CBKDMSP\]

    70. Mj g C^S (cfesk pgcik` structurk) ea dmxk` exm`ks, mt ms aeuj` tbgt fgttmck bgs E7 7>> pd 4 3 7>2 cd

    g3 4


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