cumin H0Ofllflflf E31011 II ‘ifll Hill

I010}:-uutooudusoi-on contain 030 00:;Inc:-uni in tho unoonllotoc £00100 tnlmeloa.In 0100121001 pl-09021100 of tho 00doou!0ot0:030 by in 00:31:00 011001: 0: inn 0:»!oemsuou. 1&0 dI.!'£0z0m0 in than 010ctre0t0u0 potonu

$101 that 40001090 002000 $150 at 0:10:20 htwun 0

nouoonaotu and 0 001:0: phn 00 nporunt 0010 inconduction. 113000 00:0 uttoz.-0m: typu of Iota!»otfloouhotor unucu G0p0nd1ng upon flu pot0nfl.0J.d1.tt0r0m0 at tho 1110:1000.

2.1. emu 00000000

In 0&0 smut 0% ‘mo I0t01-ullooahotot1100:1000 I00‘! M10: 0 Ilnlnn 0-001000000 to in

cu’:-0m 1100 in both 0100011000 000: 0 0100 tuporaturo

00010. 211000 00000000 000 00 mmauxu 0000000021000

by that: 0:001:10 cannot r0010t0u0. 3. [:26]. 2310contact manna. that :0 @1100 1'0: &0 10:30:oontutsa-00. moulabounllouorooupanblotothn000100 0-00t0t0n00 0: tin I0t0u01 04300000

to the aontut. for an auto contact. me use-innuotnu an to was an the spreading zuutuao.3.. (1211 men 1: am t;

n. - -5%.---" :9» <2-nwhen 2 1.: tin attentive «aunt main and a in thetmohou or the 11.13.

101' ‘ » ty­k.~“’ E- (2.2)I" V W (203)

In uuuntatu 511- the value 3.’.sucks: up cuutotux,-an... Aooerdugtohas 0t :1 [I20]. flu than of tho total contact.poupiery and van: th1&ou play mums 2010 13controlling the cannot autumn»

2.1.1. reunite: of in contactan non of the unoonimto:-5, flu reunion

or the contact in by the at tho mm on the

3?

urine of the untooahotor [129] . 111 which 3 thanfunulloytnfornoatnthonoltntorlu hetaco. Rooryatolltuucn iron the I011: unite us 3not old» contact at in oatooilluotoc-conductorinterface. and: contacts on snorted on postsMi-I8 Ac-In-no 9.27.130] and 413-6: (131,132) and on

p-II! um been (153).

Another cane oontnct ntaJ.J.$.ut1oa lilhllll

in the sintu-19¢ pa.-noun (1.u..to11¢-autodiffusion) [134]. In chats hhsvtou unit: 1:20: 0.oonuutton or the «ping cotton and int anaumuonof the that into the Imooadtotor. A change1: the «walnut banana proton! in unconitotou toam-.111: nmung mm up tntortnoo wnmislttmac «mm «unit 1310: none uotanoon. tanningIn 1 oouaaonuotoa-conductor tutu.-tau which to notah.-apt an as none2.1.2. Inn at the contact

As the uterine: um». .10! ruutuoo toin «Iran! tin. tin and contact on tnacot outfl­etut «art»: to the uMoo&otu. than annits:-ant type: or taunting «mung.

(1) Ion «locum:-nu out

An olcotron in; eating non--dugout:-st:

sonnet is thorn in 115130 2.110). Injcouan tutupmm :2.-on a‘ man; to an an at in meat».on: the 3*» n on 3*-utnnuo suction. mu contactis not ottntivo at low tinoutu-cl Ila:-0 outta:trace out tutu plus.

(it) Dagomntc can

an dttroruu botuua this cannot andthe non-«gaunt: on to that the 11"’ region 1.:doguoruu in this one (nan.-0 2.143)). Bunauto: rrunaat cannot take place in this 30519::and this «that can be and at law toapu.-Mara.

(111) ‘tunneling outset

it 10! voltagol thin contact (flan-0 2.110))acts as 1 blocking contact. 1'!» potential barrio: isto this that the nppnoataon of 3 null voltnal pronounthe tumoltng at olootron from tho natal to the uni­ecunotsor. Durand «nu voltage tho sonnet can u antnjoettu «nut.(Sat) night um:-not l'CIll'I'0$8 contact

Arum.-votxotcluuuauahuntolattho tutu.-non, by manna up vuh an

A\\\“.

(C) ((1)figure 1.)... Iohmtto any but contact: for

clout:-on tnjoetiono (3) loalogonontocontact. (b) Dogonu-ate contact,(0) tunnelling contact. (4) light[turned roux.-vol: contact.

S9

ictcucbccncfliatcttnqfiy :2 Icchthctlav > 1‘. (riwu 24(4)). I: this prcccu c 2.-nu-vain:cat can can also he prcccccd in the valued hadan clcctricd contact in chic cancan it provided by I trcnopurout contacting fill.

2.2. schcttky and Ba:-dun lam-in:

nctalpuliccncuctcr interface which ctrcroIn rccicecncc to cumrcnt new in one direction andhigh resistance in the cppccitc direction is cwnly«no: 3 Bohottky barrio: and has wide use in into­aatcd circuit technology u not switch or for protect­ing circuit shunts ta.-cu mg voltage tnuicata.no pomnua us.-rte: ct barrier height. 45,. batmanthe ram 10701 in the and and thc majority carrier‘hand can of the umacndncfict. at that interface inInt ilpcflcnt in c 0tfl contact. mo):3 bun-in hum; Q’, button a null and c p-typoudccnductcr is shown in titan 2.1. no pcsnticlhnrricr button the at the ccnicoaductcr andthe interface in called the had heating 9!’. noIonic: height in aetcrflnod by the annuity ct inton­fccc static. ma nun an pctcnttnl. U011:cntciniaa airs: 101010 in tho uuiccntcctot Ital pp

Figure 2.2. had bonding diagram of a natal­uuioonduotor contact.

1091:1501 at $3 uh):-uduuhotur intnrfnoo (us).Elli! Chi“ ll"! highly predominant inIodtrnu tho turn: unfit 13 covalent oInt%ctaco(139-137) a» cautious; in 13113030: or urtarruotutu, ratifying button an to aluntflod intoion: inn I130]. onnthaufianor thuun(outrun: «$104 by in nu: Bohotth halal.

2.2.1. nu flohottt: 132310:

In 3 can Iohotth ha.-10:. in hunt:um: cr, to many pa.-syn-mm). to tho out tum.»dtttcmau hint: nus). an in udantuota. asdo Incl-udcutuotor Into:-toot an mini. 13 pint»cut“ on tho Im.oondIo1sor nu-taco. no contactbonus 3 and all an ionic nmooauetu in anonnplo at I tun nohottty hula contact.

103:’: “.3 ‘H2113’

flu Ian-tn night to uni: tnloponlutat than work function dtttnanu botvun flu anal andtho uutuadncto: 1: n lazdun h:1'1cI outset [18]and in autumn! largely by the uterine: lttttlo Inthis cut. the sonnets). 1! a may M13;-tableultoonlutor and the uni. don not rust filth 1!

to £uaI.u Izhwcunwull an hunt its nnta1.1nweakly bound to in uflaonlutox. Itch:-wraith!ooflconiuotor contain. Inch II Lu-at contact. arelulu: ham-tor contacts.

2.2.3. lfinflfl IISCOII ‘£33103

1 nun: polutud attenuator Ian Gcannot with mini resulting tn the rotation oran as are um ooupownu at the xatortuu. Ema1.: ahnnuucd I: a nun ohdnnl muttonmm» the um sum the uutoontuetor. In thistype. the mama 1: Iysctuua an utuutalncéaupauna can no unooadnotu. humor. no nu.-ran:5-1;: to 001.11 by the tutu-hat anionnnflhuootmncoutanttnoallunudtnuluxaouhr:-tor. In the unit: at the antenna tutuInn been mined Menu of tho chanted. head but­vua tnmnoinnio commas at the uutaouuotour.loin in Duncan hm-luv and Dunn In-dun hr:-itscontact. am am; not I.n%1aunntod 0120111: onHavana action such an Illa! 01010: all. has 2390.

2.1.4. 01140 Inn: can-atIn a 0:110 1:102 outta an taunt-nun

03140 1:70! to produce! donhutoly or ofltcrutu

heeveea the metal and eeeteonuctcr. fine type ofcontact he in antuvtecee. one between the Intel andfieextdeenfitheotherbeteeenthecudeeutheIeflccaducicm She interface between the oxide endthe emccnauctc: 1:: more tupcttene beemee mcharged tape at as new the ca:l.de-eeeI.c%ctee inter-atece I111 effect the berries hetfit. the interfaceIeweee the noted and the oxide leyem I111 havevirtually no effect on the elecceteeil. pmpertaee ofthe centect. cu: clue berries contact 1ein neuebtnty eteuu end have cue 13 ecu: eel).erpncattcu.

3.3. end lent:-eel 0%“2.3.1. Ileana; contact

A eetel-ianletcr contest 1e ed! to hehlcenng when the current tlce throtlfl the tutu-tece1e practically eerc. regeadleee of the eppltea 11011.

on the application of the field e depletion xenon 1ecreated at the interface end ee e real: en electro­eteuc interaction eetveen cppoueely charged xeucneeccue em e heel field in nelueed within eurteceer the aunt». rue emcee the at thebatten er in u-auction hell. flue depth or the

43

depletion layer at the tnterteoe Se dependent on the '«nutty 0: denote in the hunter.

3e’e3e ‘$981 GOBQGGV

Iftheretenoreeeevuiretohexgeetthecontact. the content 1e called neutral. content. thanneeue. the conduction head 1e an right upte thetnterteee end no but henna; 1e preeeat.

254. mmsuuuuom Interface muttonAw seed eenteat between e. metal and e

eedeuduotor requiree e united eat mutton: reactionat the contact late:-teee I139]. fine Ievelent ozmetal can eelleondueteu stone screen the nets).­

eeuteeaduetor tntextuce he put eumftoenee andetewmtna the electronic moperttee at eoupounleeuoonductete [$40,143.]. In interhoee exhibitingeta.-cu ehwma. reeetzlen [$42.14!]. eunttieent uter­manna on take pleee which new street the SohettkyIermler tenure! (144.15). awe the interfaceehenoel reeotaone greatly mm the utel-eedeoaheto:Junctions. detailed uvefltptien er the interfaceetude in Iieaeeeery to detezcflme the

duct than-onlo proptruu of flu interface [145] .In 3 1-active instruct. the finial psoporttu atthe tutu-taco an 2.-chtoa to tho interacts! 1:30:which in imitated through tho correlation whenBohottty hu.-£1.01: haunt and «tooth toupcuturo ofthat amount! tat“: st tin tutu-taco [I47]; 1100.it is ohuzvod that the tntuditfauon ctfuoto analtar the sanctity bu.-:10: propntlu at rohuvolynuuotivo natal-uueonfiuotor interfaces [148-151] .

sown: analytical toohntqun not u canhas: photo-uul.us.ea noeta.-«copy [I53]: aluminainotdonu I-my diffraction. luthcrford but oouttuutug, uumflodoa sluts.-on microscopy «Inc. an andto INA} tho reaction: at the utdnnontututu-stats.