loTonmcodneobis safuZvlebi damwyebTaTvis

loTonmcodneobis safuZvlebi damwyebTaTvis loTonmcodneobis safuZvlebi damwyebTaTvis

01.03.2013 Views

warmoadgens. igi maT icavs garemos damangreveli zemoqmedebisagan. kristaluri nivTierebebisaTvis damaxasiaTebelia waxnagebis Ta- visTavadi warmoqmnis unari. marTalia, kristali SeiZleba sxvadasxva pi- robebSi Camoyalibdes, magaliTad, gamxsnelis aorTqlebiT, Txevadi li- Tonis gacivebisas an orTqlis fazis kondensaciiT (magaliTad, yinulis naySi minaze), magram yvela SemTxvevaSi mzardi kristalis zedapirze Ca- moyalibdeba brtyeli waxnagebi. sufTa liTonuri nivTierebis kidev erTi specifikuri Tavisebure- baa dnobisa da gamyarebis fiqsirebuli temperatura (wertili). marTalia, gaxurebisas misi temperatiura ganuxrelad matulobs, magram gaTxevadeba iwyeba mxolod dnobis temperaturis miRwevisas. aq umTavresia erTi faq- ti – rogorc dnobis, ise gamyarebis procesSi sistemis temperatura ucv- lelad aris SenarCunebuli, anu sufTa liTonebi dneba da myardeba erT mudmiv temperaturaze. kristalizaciis temperatura liTonis Tvisebis gansakuTrebiT mniSvnelovani mudmivaa. sxvadasxva liTonisaTvis igi fri- ad farTo diapazonSi icvleba – (-38,9 0 C)-dan sindiyisaTvis 3410 0 C-mde yve- laze Zneldnobadi liTonis – volframisaTvis. amorfuli nivTierebebis qceva ki gansxvavebulia. magaliTad, mina gaxurebisas TandaTanobiT rbildeba, Semdeg ki iwyebs lRobas, magram sistemis temperatura ganux- relad matulobs yovelgvari SeCerebis gareSe. erTi da igive nivTiereba SeiZleba arsebobdes rogorc Kkrista- lur, ise amorful mdgomareobaSi. Txevadi fazidan nivTierebis myar mdgomareobaSi gadsvla kristalebis warmoqmnis, anu kristalizaciis gziT, aris bunebrivi procesi, magram garkveul pirobebSi SesaZlebelia moxdes am kanonzomierebidan gadaxra. am sakiTxSi ukeT garkvevisaTvis ganvixiloT uxeSi, magram sakmaod TvalsaCino aseTi magaliTi: vTqvaT, jariskacebis aseuls nabrZanebi aqvs rigSi mowyoba. Tu brZanebis Sesas- ruleblad jariskacebs sakmarisi dro eqnebaT micemuli, yoveli maTgani moaswrebs misTvis gankuTvnili adgilis dakavebas da rigSi gasworebas. magram Tu pirveli brZanebis Semdeg swrafad gaica meore - `sdeq!~, jaris- kacebis saerTo ganlageba mouwesrigebeli darCeba, Tumca gamokveTili iqneba tendencia mowesrigebisaken. raRac analogiuri mimdinareobs gamyarebis procesSic. Tu siTxis gaciveba neli siCqariT mimdinareobs, atomebi aswreben sivrceSi maTTvis 23

gankuTvnili adgilebis dakavebas da kristaluri gisosis Camoyalibebas, swrafi gaciveba ki amuxruWebs atomebis gadaadgilebis unars da maT ar aZlevs bolomde mowesrigebis saSualebas. sxva sityvebiT rom vTqvaT, di- di siCqariT gaciveba ganapirobebs siTxis siblantis metad swrafad zrdas da nivTiereba gamyardeba manam, sanam atomebi sivrceSi maTTvis gankuTvnil, mowesrigebul mdgomareobas daikaveben. aseT pirobebSi kris- taluri gisosi ver aswrebs Camoyalibebas, ikveTeba mxolod amis tenden- cia. kristaluri nivTierebebisgan gansxvavebiT, mocemul SemTxvevaSi ato- mebis mowesrigebuli ganlageba vrceldeba ara Sor, aramed axlo manZil- ze, anu vlindeba nawilakebis axlo wesrigi. amdenad, kristalurisagan gansxvavebiT, amorful nivTierebebSi atomebis mowesrigebis xarisxi me- tad dabalia. zogierT amorful nivTierebas, magaliTad, fiss, luqs, san- Tels, ar axasiaTebT nawilakebis axlo wesrigic ki. ufro marTebuli iqneba nivTierebis amorfuli mdgomareoba Sefa- sebuliyo, rogorc metad blanti siTxe. amis mkafio magaliTs mina warmo- adgens. sagulisxmoa, rom uZvelesi fanjris minebis qveda nawili ramde- nadme gasqelebulia zedasTan SedarebiT, rac imis damadasturebelia, rom amorful nivTierebebs myar mdgomareobaSi denadobis unari gaaCniaT. myar amorful nivTierebebSi metad neli siCqariT, magram mainc xdeba atomebis gadaadgileba da TandaTanobiTi maTi gadasvla mowesri- gebul mdgomareobaSi, anu kristalizacia. zogierT maTganSi, magaliTad, gogirdSi, atomebis gadajgufeba SedarebiT swrafad mimdinareobs, sxveb- Si, magaliTad minaSi – saukuneebis ganmavlobaSi. amorfuli minis dakris- taleba iwvevs mis dabzarvas, xolo araerTgvarovan agebulebaSi gada- svla – gamWvirvalobis dakargvas, anu gamqrqalebas. amgvarad, amorfuli nivTiereba TavisTavad gadadis kristalur mdgomareobaSi, sawinaaRmdego procesi ki arasdros ar SeiniSneba. aqedan SeiZleba gakeTdes umniSvnelovanesi daskvna: kristaluri mdgomareoba myari sxeulis Termodinamikurad erTaderT mdgrad, `dasrulebul~ mdgo- mareobas warmoadgens. rogorc vxedavT, amorful da kristalur mdgomareobebs Soris ZiriTadi gansxvaveba maT Sinagan agebulebaSi mdgomareobs. mina, magali- Tad, raRac gamWvirvale, myife sxeulia, xolo liToni – mtkice da plas- tikuri. mina izolatoria, liToni ki kargi eleqtrogamtari masala. li- 24

gankuTvnili adgilebis dakavebas da kristaluri gisosis Camoyalibebas,<br />

swrafi gaciveba ki amuxruWebs atomebis gadaadgilebis unars da maT ar<br />

aZlevs bolomde mowesrigebis saSualebas. sxva sityvebiT rom vTqvaT, di-<br />

di siCqariT gaciveba ganapirobebs siTxis siblantis metad swrafad<br />

zrdas da nivTiereba gamyardeba manam, sanam atomebi sivrceSi maTTvis<br />

gankuTvnil, mowesrigebul mdgomareobas daikaveben. aseT pirobebSi kris-<br />

taluri gisosi ver aswrebs Camoyalibebas, ikveTeba mxolod amis tenden-<br />

cia. kristaluri nivTierebebisgan gansxvavebiT, mocemul SemTxvevaSi ato-<br />

mebis mowesrigebuli ganlageba vrceldeba ara Sor, aramed axlo manZil-<br />

ze, anu vlindeba nawilakebis axlo wesrigi. amdenad, kristalurisagan<br />

gansxvavebiT, amorful nivTierebebSi atomebis mowesrigebis xarisxi me-<br />

tad dabalia. zogierT amorful nivTierebas, magaliTad, fiss, luqs, san-<br />

Tels, ar axasiaTebT nawilakebis axlo wesrigic ki.<br />

ufro marTebuli iqneba nivTierebis amorfuli mdgomareoba Sefa-<br />

sebuliyo, rogorc metad blanti siTxe. amis mkafio magaliTs mina warmo-<br />

adgens. sagulisxmoa, rom uZvelesi fanjris minebis qveda nawili ramde-<br />

nadme gasqelebulia zedasTan SedarebiT, rac imis damadasturebelia,<br />

rom amorful nivTierebebs myar mdgomareobaSi denadobis unari gaaCniaT.<br />

myar amorful nivTierebebSi metad neli siCqariT, magram mainc<br />

xdeba atomebis gadaadgileba da TandaTanobiTi maTi gadasvla mowesri-<br />

gebul mdgomareobaSi, anu kristalizacia. zogierT maTganSi, magaliTad,<br />

gogirdSi, atomebis gadajgufeba SedarebiT swrafad mimdinareobs, sxveb-<br />

Si, magaliTad minaSi – saukuneebis ganmavlobaSi. amorfuli minis dakris-<br />

taleba iwvevs mis dabzarvas, xolo araerTgvarovan agebulebaSi gada-<br />

svla – gamWvirvalobis dakargvas, anu gamqrqalebas.<br />

amgvarad, amorfuli nivTiereba TavisTavad gadadis kristalur<br />

mdgomareobaSi, sawinaaRmdego procesi ki arasdros ar SeiniSneba. aqedan<br />

SeiZleba gakeTdes umniSvnelovanesi daskvna: kristaluri mdgomareoba<br />

myari sxeulis Termodinamikurad erTaderT mdgrad, `dasrulebul~ mdgo-<br />

mareobas warmoadgens.<br />

rogorc vxedavT, amorful da kristalur mdgomareobebs Soris<br />

ZiriTadi gansxvaveba maT Sinagan agebulebaSi mdgomareobs. mina, magali-<br />

Tad, raRac gamWvirvale, myife sxeulia, xolo liToni – mtkice da plas-<br />

tikuri. mina izolatoria, liToni ki kargi eleqtrogamtari masala. li-<br />

24

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