Stimulated Brillouin Scattering in ion implanted semiconductor plasmas having SDDC

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1 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju 7 75 ISSN Stiult rilloui Sttrig i io ilt ioutor l hvig SDDC NYv*,PSMlviy** SGhoh* Shool of Stui i Phyi, Vir Uivrity, Ujji 465, Ii* Drtt of Phyi, Govt JNS Pot Grut Collg, Shujlur , Ii** Corroig uthor -il r: _hor@riffilo ** Abtrt: A high owr lr rogtig through io ilt ioutor l urgo tiult rilloui ttrig (SS) ri u to olir urrt ity outo-otil tri of th iu i thir-orr otil olriztio W hv oir tht th gtivly hrg olloil gri (CG) r b i ioutor l by of io ilttio y oirig t gtiv hrg of th CG, w rt lytil tuy of th fft of CG o thrhol itity, fftiv utibility rilloui gi hrtriti It i fou tht th hrg o th CG buil u, th rilloui gi thrhol r igifitly oifi th hrtriti for th ot of SS ro Ix tr-tiult rilloui ttrig(ss),olloil gri(cg), tri t iltri ott(sddc) Itroutio: Stiult rilloui ttrig (SS) h urou litio i ivr r rgig fro otil h ojugtio, rl-ti hologrhy, otil torig ul orio for lr-iu fuio I lr iu fuio xrit, th SS i of grt or bu it igifitly rirt th u rgy wy fro th trgt vrly fft th rgy bortio It i thrfor, irbl to iiiz SS ro i th xrit [-5] Th origi of SS li i th fftiv thir-orr otil utibility of th iu I SS hoo, th xiu ttrig our i th bwr irtio [6] Sioutor r rtiulrly th ot roiig tril with hight robbility of lrg thir-orr olir otil ho to our r u for fbritio of ohitit otil vi [7] Io ilttio ro i whih u of io i to o oify ioutor tril Th olloi tht t thir i or forig rtil r th rult of th ilttio of y tl io ii th iu Colloil l r w fitig fil of l hyi Th olloi quir gtiv hrg through th tiig of high obility fr ltro o th Th gtivly hrg olloil gri (CG) r u to b of uifor iz llr th both th wvlgth ur tuy th rrir Dby lgth [8-9] I th rt r, w ivtigt th fft of gtivly hrg CG o th SS through thir orr otil utibility, origitig fro iu urrt ity outo-otil olriztio, i trvrly gtiz -ty io ilt ioutor l Th r of hrg CG i ioutor l iu w iio to th lyi rt i -o gto-tiv ioutor with tri t iltri ott ( SDDC) It i fou tht io ilttio oifi th rorti of tril Thortil Frultio: W hv oir th wll-ow hyroyi ritio of hoogou, io-ilt -ty ioutor l hvig SDDC (for whih l, l big th outi wv ubr fr th of ltro, rtivly)i orr to lytil tuy of th thrhol u fil, wwwijrorg

2 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju 7 75 ISSN thrhol itity fftiv gi ott of rilloui ll of hoogou, io-ilt -ty rytl Th thortil forultio trt with th rivtio of th totl urrt ity J for th rot Sto oot ri u to olir itrtio of th wv, follow by utio of th fftiv rilloui utibility through olir olriztio riig u to olir iu urrt outootil tri W ly th u ltri fil x[ i x t] rlll to th outi wv (log th x-xi), gti fil o orl to (log th z-xi) Th bi qutio r loy for lyi: v ff v t v v t v v x T v v () v (3) t x x () t u x u ( g ff ) x u (4) gff x x (5) P o gff u (6) whr ff v qutio () () rrt th zroth firt orr oilltory flui vloiti of ltro with fftiv hrg ; i th olliio frquy I qutio (), ff rrt th fftiv ltri fil whih ilu th Lortz for v i r of xtrl gti fil qutio (3) i th otiuity qutio, whr r th quilibriu rturb rrir iti I III-V ioutor l (i h ) b with CG, th ltro hol fro ll irtio olloil with CG gt ti oto th Howvr, grtr ubr of ltro ti oto th Z CG or to hol i giv ti itrvl Th hrg ibl rtr i fi Th l i qui utrl th orvtio of rtil ubr ity ut lwy hol Thu hrg houl b hol: h Z h Whr i otrtio of CG Z i hrg tt of olloi [-] wwwijrorg

3 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN Th qutio (4) rib th ltti vibrtio i io ilt ioutor l i whih, u big ity of th rytl, ltti ilt rytl lti tiff, rtivly Th hrg fil i tri by th Poio qutio (5) i whih D gs i iltri ott i b of y tri, u whr D i th ltri ilt, S g x i 3 oulig ott u to SDDC qutio (6) how tht th outi wv grt u to outo-oti tri Th itrtio of th u with th grt outi wv rou ltro ity rturbtio, whih i tur riv ltro l wv iu urrt ity i th rilloui tiv iu I - tyioutor, thi ity rturbtio b obti by uig th tr roh [3] Diffrtitig qutio (3) uig qutio () (5), w obti t t g ff i u (7) Whr, T,, ff Hr, i ylotro frquy i th l frquy of th iu W glt th Dolr hift ur th utio tht v Th rturb ltro otrtio will hv low ft oot, uh tht f Th low oot i oit with th low frquy outi wv,whil th ft oot with high frquy ltrogti wv Coirig oly th Sto oot of th ttr ltrogti wv ito out w hll hv For tilly uifor lr irritio yil, (y) w obti th followig oul qutio fro qutio (7) ur rottig wv roxitio (RWA), t i f (8) t * t f t g f ff * f i u (8b) wwwijrorg

4 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN wwwijrorg qutio (8) (8b) iit tht th low ft oot of th ity rturbtio r oul to h othr vi th u fil Thu, it i obviou tht th r of th u fil i th futl ity for SS to our Th low oot y b obti fro qutio (4) (8) i i v g ff (9) whr, v, It i vit fro th bov xrio tht trogly uo gitu of th iut u itity Th ity rturbtio thu rou ubqutly fft th rogtio hrtriti of th grt wv Th Sto oot of th iu urrt ity y b obti fro th rltio x x v v J * () Th rig lyi ur RWA yil A v g i i J 3 () whr i i A x ff x F Thu x ff () Th firt tr of th qutio () rrt th lir oot of th iu urrt ity th o tr rrt olir oulig ogt th thr itrtig wv vi totl olir urrt ity Th iu olriztio th ti itgrl urrt ity b writt A v g t J P 3 (3)

5 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN Th origi of th SS ro li i tht oot of utibility orroig to P i ow rilloui utibility litu for th ot of SS y b obti by ttig oitio yil, P whih o Th thir-orr Now, th thrhol u P (i A ) i qutio (3), thi i i (4) th Thrfor, th itrtio btw th u th tro-ytri rytl will b oit by th SS ho t u owr lvl wll bov th thrhol fil th Th orroig u itity b obti by uig th rltio I th th (5) Th rilloui utibility u to iu urrt ity i 3 g A (6) v It i lr fro bov xrio tht i futio of tril rtr uh rrir otrtio vi l frquy, hrg ibl rtr, vi ylotro frquy i th rilloui utibility, th yt lo o outo-otil olriztio Po u to th itrtio of th u with outi wv grt i th iu Th outo otil olriztio i obti fro qutio (4) (6) 4 g Po v Th iu olriztio u to outo-oti itrtio, i giv by Po o (8) Whr o i rilloui utibility u to outo-oti olriztio Agi by ig th u itity wll bov th thrhol, th rilloui utibility forouto oti ro i obti fro qutio(7) (8), 4 g o (9) v Fro qutio (5) (7) w obti th fftiv rilloui utibility, () ff o (7) g 4 A v qutio () y b rt ito rl igiry rt i ff ff ff, () wwwijrorg

6 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN g v ff rl 4 g v ff ig Th fftiv rilloui gi offiit ff out by loyig th wll ow rltio, () (3) g of SS ro i io ilt ioutor rytl b g ff ff ig (4) 3 Rult Diuio: Th uril lultio r rfor for th -ty ioutor l (TiO 3 ) t 77 K uly irrit by 6 CO lr Th followig tril rtrhv b oir follow: 45 ( big th fr ltro rt ), g, 4 g, 3 9, 5, 3 78, 6 3, v 3 3 Th thrhol hrtriti r illutrt i figur Figur how th vritio of thrhol itity I th with wv ubr Th I th r brutly th ir i io ilt 7 ioutor with ho vlu of hrg ibl rtr It b tht t th 3 itity i I th 5 W I Th th r brutly with wv ubr 7 u to >> 4 th ftrwr r lowly It i vit fro th figur tht th frtio of gtiv hrg ti o to th CG,r (i 9 8 ), th I th gt lowr Figur it th vritio of thrhol u fil th with th futio of ylotro frquy Th vlu of thrtio b hg for vriou vlu of th ylotro frquy It i fou tht iitilly t th rtio 477, th thrhol u fil i 6 th 48 V A w ir th, th th r lowly Wh bo rly qul to (i ), th thrhol u fil gt th iiu vlu t 4 th 884 V for th ho vlu of Th ir i ylotro frquy (i wwwijrorg

7 Thrhol u th ( 6 ) V - Thrhol itity I th ( )W - Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN ), th th lo ir grully for ll vlu of Th r i frtio ti o to th CG, th th vlu gt ru how i figur gtiv hrg Wv ubr ( 7 ) - Figur Vritio of thrhol itity I th V wv ubr / Figur Vritio of thrhol u fil wh 7 5 V th with gti fil [i tr of ] Th of fftiv rl utibility ff rl o gti fil [vi ylotro frquy ] i how i figur 3Th gitu of ff rl r brutly with ir ith vlu of rtio It i fou thtwh [it th rtio, ] th ff rl tti iiu vlu 65 V ff O ir i rtio rl thr i ir i ff rl Aftrwr for furthr vlu of 3,turt th ff Th r i hrg ibl rl wwwijrorg

8 fftiv Sutibility[ ff ] rl ( -5 ) V - Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN rtr th iiu vlu of utibility lo hift towr highrfigur 4 rrt th vritio of th fftiv utibility with rt wv ubr It b tht th fftiv utibility ff rl uully r with ir wv ubr ff irl V Figur 3 fftiv utibility ff rl V ylotro frquy 5 t 8 V wv vtor ( 7 ) - Figur 4Vritio of fftiv utibility rl ff rl V wv ubr t 8 V wwwijrorg

9 rillui gi g ( 7 ) - Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju ISSN Th of fftiv rilloui gi vi figur 5 It i tht gi i rly it of 5 3 ) of, o rrir otrtio ( ) i how i, but o th highr vlu ( wh, th gi ir rily with ll ir i Th roll of hrg ibl rtr how uuul hrtriti iitilly wh ( ) th gi i high for but t gi i high for ( / ) Figur 5 Vritio of fftiv rilloui gi g ff ]wh 7 5 V with rrir otrtio [ i tr of 4 Coluio:I rt lyi, w hv lytilly tui th iflu of CG o th thrhol itity, fftiv utibility rilloui gi of th Sto oot It i obrv fro th tuy tht igifit hg ithrhol gi hrtriti wh th hrg ibl rtr i lightly hg Th r of CG ly trog tlyzig fft i hgig th rilloui gi th thrhol vlu 5 Rfr Zl ovih Y,Pility N F Shuov V V, Srigr-Vrlg,rli, -35(985) Mxiov A V, Rozu W, Tihohu V T, Duboi D F, Ro H A, Rubhi A M,PhyPl3, 689 (996) 3 Gut G P Sih K, Pl Phy Cotrol Fuio, 4, 45 (998) 4 Zhu Z, Guthir D J oy R W, Si, 38, 748 (7) 5 Owhi Y, iglow M S, Shrig J, Zhu Z, Shwibrg A, Guthir D J, oy R W, Gt A L, Phy Rv Ltt, 94, 539 (5) 6 Shr G Ghoh S,Phyi,3, 4-5 () 7 Ji RK, Ot gg,, 99-8 (98) 8 Ghoh S Khr P,Ii Jourl of Pur & Ali Phyi,Vol44,83-87(6) wwwijrorg

10 Itrtiol Jourl of Sitifi Rrh Publitio, Volu 7, Iu 6, Ju 7 76 ISSN Youi Wg, M Y Yu,J T Zho, Lig Wu S Liu, Phy Sr, 89, 56 (5), (4) Ghoh S Thur P,Ii Jourl of Pur & Ali Phyi,Vol44,35-4 (6) Shr GR, D RC Ghoh S,AIP Cofr Proig 67, 36 (5) oi: 63/4967 U Agli,Phyi of Pl,3, 54 (6) oi: 63/ Ghoh S Yv N,Th Arbi Jourl for Si girig, Volu 33, Nubr A,36-37(8) AUTHORS Firt Author P S Mlviy, Govt JNS PG Collg, Shujlur (MP) , il: _hor@riffilo So Author NYv, Shool of Stui i Phyi, Vir Uivrity, Ujji (MP)-456 Thir Author SGhoh, Shool of Stui i Phyi, Vir Uivrity, Ujji (MP)-456 wwwijrorg

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