STUDY OF SUPERCONDUCTIVITY OF NANOSIZE LANTHANUM(La)

Daniel, Tadcssc

dc.contributor.author	Daniel, Tadcssc
dc.date.accessioned	2017-08-04T09:06:46Z
dc.date.available	2017-08-04T09:06:46Z
dc.date.issued	2017-08-04
dc.identifier.uri	http://hdl.handle.net/123456789/7618
dc.description	SU13l'vIITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF i\'IASTER OF SCIENCE AT 13AHIRDAR U IVEHSITY DEPAHTi\lEl T OF PHYSICS SCIlOOL OF CRADUI\TE STUDIES l3AHlRDAH. ETIIIOPIA 2011	en_US
dc.description.abstract	Investigations of the total energy, the stTuctuml and electTOnic pTOper'lies of Lan thmmm have been caTTied out in the face-centered-wbic (fcc) and double hexagonal- ) close packed (dhqJ) phases using a genemlized gmdient appm'l;imn,/,ion of the density fu,l/,cl'iurwl theu'!'!) and the ab initiu pscudoputentiu,l we/JwrJ. DiYcw{/ces in /Ju density of states at the Fermi level between these two phases u:!'c pointed oul and discnsscd 7>n detail, The electron-phonon coupling para:meter /\ is found to be 0. .97 and 1. OC for the double he.mgonal-close-packed phase and face ccnleTed- cub'ic phase Tespedively. Fur'lher-more the superconducting critical tempemture is estimated to be 4,87K (dhcp) and 5.88K (lcc) respectively. and are in good agreement with ewerimental values of (ITOund 5. Of,; (rlhcp) and 6. OJ( (fcc). 1\ few superconduding pammeters faT the dou ble he:mgonal-cluse-packed phase lw:ue been calC'u,lated and compared wdh available IJI,eoTdical and c:rpeTimental Tesulls. Fartherm,orc, the wlcnlatcd supeTcondv,ct'ing pa '1ameleT's fOT bolh phases (LTC wmpan~d bel.ween each olheT 'tn del,ail.	en_US
dc.subject	PHYSICS	en_US
dc.title	STUDY OF SUPERCONDUCTIVITY OF NANOSIZE LANTHANUM(La)	en_US
dc.type	Thesis	en_US