Download - Solid State Theory_E
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8/12/2019 Solid State Theory_E
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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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8/12/2019 Solid State Theory_E
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"dgjmsbiudgrpbysmcs.mj" ?
CBKDMSP\]
Structurk ea Sefm`s 8
Fgttmck 8(7 @, >%).
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8/12/2019 Solid State Theory_E
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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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8/12/2019 Solid State Theory_E
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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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8/12/2019 Solid State Theory_E
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8/12/2019 Solid State Theory_E
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"dgjmsbiudgrpbysmcs.mj" 77
CBKDMSP\]
[jmt ckff 8g 4 4 x0( 21.> .7;;.
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8/12/2019 Solid State Theory_E
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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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8/12/2019 Solid State Theory_E
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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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8/12/2019 Solid State Theory_E
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8/12/2019 Solid State Theory_E
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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