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Lesson 21: Electricity III (semiconductors and superconductors) 21-1: *UJi* qt ra'ft(JtJ: .:l:f: 13 j)AE~?1t~ 7~~0)~tJt '"tv/ ~fitf~jfPjm i1tt~ iRi1ttmn r) ,{ )v'J /m~ firfntj~II!!J-f*~ m~ ff~* ~11:.* t~~t .Q tJ )v:J J;I /f[j~!fo/.J llt-f* IEIl9W-f* ttiG~'5 OO~~~ r) )v'Y~ f~~il~~tJ: fJ&ilimA :t3~~.Q ~v)l&.Q ~lJr~1t1 JrtJ: *-)vf*lt§ E8~ra' {itI§JiJ) Pi$Jt~£@~!&£ftf~!&iIlffl ~5i~~ }aj§J~fJJ /Fii~ ~1tJ~~f~ ffl¥fiI~ e:..rJ ~rmt lER,if,t mi1rt*tt ~d:9n.Q ~~itFffl ~~rm SflG T::L r) tJ /T~tJ: uiJ) G :J r)'"t~7/ J,~ 7~~0)7/J, 7~ / tJ ~ r)'"t1 1 ) ::L '7=t:T 3 !J 1) ;I. '7'7/ 1) 3 !J r),{ )v'J /1::71 I) 3'7~O/T=t:-:J~10/ ~1~3r) =t-33r)~1 :t-/~~1 tJ.~t.Q tJ )v:J 7/tJ :Jr) 7'.1 ~/~1 '"t1~~/~1 t~G~'5 t/7I../:Jr) ':7)v'Y:J ':7 tJ jJ!J I) 3 r) 0 /7=l=-tJ: c:I) 3 '7 :J / = ;I. '7 :t3 ~;6)b.Q 9v)e:...Q 1r9T/lJ T3'7~3'7 *-)v71 Ar) ~:::L'7!J'7lJ/ tJ:IvtJ1 iJ) x./=t:~'7 =t:'J=t:::L'7~::L'7 :t-'J:t-::Lr)~;I.r)~/ ~ jj1 I) 3 r) 1 :t: ~::L':7tJ1r)/~'7 7v/'!!J ~/~r)T=t:~/tJ ~3r)*r):J':7tJ!J T/~ I) ::L'7 t1 :J '7 1 ) ::L ':7 t1 1 )::L r) l' !Jt1 'J':77!J'"!t3r) ~~jJ1 t::.V) G -239intermediate the distant past, a long time ago crystal detector detection ofradio waves selenium copper suboxide rectifier DC power Wilson model quantum theory of solids belt, band, zone allowed band forbidden band to come out, to escape, to fall out chalcogen (compound) simple/elementary substance regular tetrahedron to contribute jointly zincblende, sphalerite wurtzite stoichiometric mixing of minute amounts into something to take the place of to suck up, to absorb mobile (electric) charge top, summit, peak Hall coefficient free space some number of revolutions circular orbit fundamental absorption fundamental absorption edge ultraviolet region circling motion discontinuous vibrational change computer science leap, jump flow/stream of electrons flow/stream of holes rectifying characteristics to come off/loose, to get out of place amplification cleavage flat, level, smooth ttA~:JJ* ~v) ~{~ 'Wi~~rM!~ ~{~tt~1 ... (J):J:ft~ G-' ~m. ~~It{~~~~f* *w.~:JJ* I' '7 /~~~­ ~7J ~Ef7J -OO:Ml~t:::.. 1f¥i{~*±~ 7tmfi(EJ~ p~~~f*§ EiLiEfL *-)VJE~ J:ytffl 9" iJ) t) 'Y:L ryt:f-tJ1 0 p iJ~t:::../\/ ~'7~1 :;:z..ryt1:Jt7 *-)V71 :A'7 :;3'7~/ 9"J~ iF'Y e"/7~T"/ ~'7 =t=-"/t:Y I*)v~-~ clt:>Jt)r)"/~'7 t::'9~t 11/\. / I) 3 '71 4=-iF 'Y 1:: "/ 7~ T"/tJ 711'Yi?111 5'13'7:J'7 :J r) :J '7 I) :Y~ 1 3 r) T "/T ~=t./7"/T1 11:Jr)t1 I) 3 '7~/t1 t1 '/'7:J A r01J \ tJ t /~- :J r)T"/~/tJ/7/\1 A /\7"'::((;7 1'7 /:/A5'01J \fJT/ ~r)t1 7/~7(;7~~=t­ A1~T'J:Y ~.:c 1) -'} ~ ~:Y'/'7n/ ~r)3'7:/3r) 7:Y1T/~ ~ 11 /iFr)::J r) '/(;7 tJ -:::ir) 7'Y -242crystalline semiconductor to adjoin each other, to be adjacent bonding orbital antibonding orbial chalcogenide system chalcogen atom nonbonding orbital absence, lack, deficiency footlbase (of a mountain) near the outskirts/periphery wave function at most, at best on the order of a few atoms nonlocalized state localized state mobility edge gap state localized electron state to hop/jump from one place to another hopping conduction proximity, being close to something energy difference hopping/jumping motion phonon assistance, help variable region hopping addition, adding inactivation, deactivation sunlight high-efficiency solar celllbattery metastable workability, ease of machining/processing suitability for mass production manufacturing cost optical sensor opto-electronic conversion device thin film transistor photoconductive, photoconductivity photocopier, electronic copier switching element/device memory element/device pickup device/tube from a practical standpoint unpaired electron polycyclic aromatic compound phthalocyanine [3.135.185.194] Project MUSE (2024-04-19 21:34 GMT) ~JJ7~=rv/ ~~=1t!l6~ iei7t-r~~~ .w3th_~ lfPl£ ~tI~ ~Tf1~ra }\/~m~ 1iX~ ~I.'/*"~~ ocE~t~tt m~tlli:iiI ~Jfa~T/~~)~ =t:3 rJ""\7?=:J.:19''-"'Y::Jry :Jry7/~l...

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