Utilizzo della luce di sincrotrone nelle Scienze della Terra

SyJlchrotnm radiljltion is todaythe most powctft.l source oi Xrays in ine high energy tegioll. Most research filJldsil1 the Earih Scienceshauestarted to. :takeadvantage of iheintense !iynchrotran sqf<Fces and of .ehe pec!11iarcharactel'istics of the emitied .radiatidntò ir,npr:ove our J...-nmq/edgeof thw suucture, bçnding ana, èlJmposrliQIJ ofF:ar.th maieiials. To date ihe largest l1umber oJ experimeni« haue been per/ormed in thè area oJ .X-ray sedtterin:g; e~peèiti.lly with Bragg-difftaction techniques. and X-ray llbAorpliiln;·especially with XANES and EXAFS techniquee. AmO;J1:g a variety of nove! applications, ihe use oJ synchròtrorì,;g;.Pllys:·Ìi<sca.~ring and obsorptionexperimeats .allow In 5ìw. stuiIies.ofminemlsl1nd me/ts al high temperature and. pressllre~1 hWumlò nnaceessible 011Ìllboratory aources. A numoer bf r!jffetàit experimentol meihàd« also tah 'aduantase oJ th« fli~b~lfty, brightness, rind in(riiisic COllima/ion oj synehrOtton rarfiabiorr, and tliey yie1d chemioai and physiçal tnfonnaHon aJ great impact 'in t1Je study of Earth arid planetarlj processes. Among tl,'esè teçhniquee are: synchrotron induéed X-ray enf~sion a11'fJ.lysis ojabundance and distribwtion af trace elelp$11ts' iI!'è,OJJflen.sl1dmrde.ria.'/sand flui4 incl!lsiòl1S, X-ray topogri<phyof iexture and deTect5in, minerals, .and X-l'a}! inicrdfì::4tlOg7r!Tjhy~f,c.rystal pbases, element disiiibution, (1rt11{JGros'if:gin buJk geO/bg,ipal specimene. The research. areas in file Earth SGjenè~s ihd! most /Jenefit frani -the third.-ge~ neration s}flleÌ1rof.ròilsQur.çes ar,e thòsé involviV$ lowelement eoneentrati011S', éxireme H'TfHP eonaWbns, and rapld data acquisition TI;qurrea:lrgdYlta;nic proceeeesand. reaciicnkineues.