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Electron and positron contributions to the displacement per atom profile in bulk multi-walled carbon nanotube material irradiated with gamma rays Antonio Leyva Fabelo, Ibrahin Piñera Hernández, Diana Leyva Pernía, Yamiel Abreu Alfonso y Carlos M. Cruz Inclán $FOUSPEF"QMJDBDJPOFT5FDOPMØHJDBTZ%FTBSSPMMP/VDMFBS $&"%&/ $BMMFOPFOUSFUBZNB .JSBNBS 1MBZB -B)BCBOB $VCB
[email protected]
Abstract 5IFFMFDUSPOBOEQPTJUSPODPOUSJCVUJPOTUPUIFFGGFDUJWFBUPNEJTQMBDFNFOUDSPTTTFDUJPOJONVMUJXB MMFEDBSCPOOBOPUVCFCVMLNBUFSJBMTFYQPTFEUPHBNNBSBZTXFSFDBMDVMBUFE5IFQIZTJDBMQSPQFSUJFT BOEUIFEJTQMBDFNFOUUISFTIPMEFOFSHZWBMVFSFQPSUFEJOMJUFSBUVSFGPSUIJTNBUFSJBMXFSFUBLFOJOUP BDDPVOU5IFO VTJOHUIFNBUIFNBUJDBMTJNVMBUJPOPGQIPUPOBOEQBSUJDMFUSBOTQPSUJONBUUFS UIFFMFD USPOBOEQPTJUSPOFOFSHZáVYEJTUSJCVUJPOTXJUIJOUIFJSSBEJBUFEPCKFDUXFSFBMTPDBMDVMBUFE'JOBMMZ DPOTJEFSJOH CPUI SFTVMUT UIF BUPN EJTQMBDFNFOU EBNBHF QSPàMFT JOTJEF UIF BOBMZ[FE CVML DBSCPO OBOPUVCFNBUFSJBMXFSFEFUFSNJOFE5IFJOEJWJEVBMDPOUSJCVUJPOGSPNFBDIUZQFPGTFDPOEBSZQBSUJ DMFTHFOFSBUFECZUIFQIPUPOJOUFSBDUJPOTXBTTQFDJàFE"OJODSFBTJOHCFIBWJPSPGUIFEJTQMBDFNFOU DSPTTTFDUJPOTGPSBMMUIFTUVEJFEQBSUJDMFTFOFSHZSBOHFXBTPCTFSWFE5IFQBSUJDMFTNJOJNVNLJOFUJD FOFSHZ WBMVFT UIBU NBLF QSPCBCJMJTUJDBMMZ QPTTJCMF UIF TJOHMF BOE NVMUJQMF BUPN EJTQMBDFNFOU QSP DFTTFTXFSFEFUFSNJOFE5IFQPTJUSPOTDPOUSJCVUJPOJNQPSUBODFUPUIFUPUBMOVNCFSPGQPJOUEFGFDUT HFOFSBUFEEVSJOHUIFJOUFSBDUJPOPGHBNNBSBZTXJUIUIFTUVEJFENBUFSJBMTXBTDPOàSNFE ,FZXPSETDBSCPOOBOPUVCFT HBNNBSBEJBUJPO BUPNJDEJTQMBDFNFOUT DSPTTTFDUJPO .POUF$BSMPNFUIPE TJNVMBUJPO
Aporte de electrones y positrones al perfil de desplazamientos atómicos en materiales masivos de nanotubos de carbono de paredes múltiples irradiados con rayos gamma Resumen 4FQSFTFOUBOMPTSFTVMUBEPTEFMDÃMDVMPEFMBTDPOUSJCVDJPOFTEFMPTFMFDUSPOFTZMPTQPTJUSPOFTB MBTFDDJÓOFàDB[EFEFTQMB[BNJFOUPEFMPTÃUPNPTEFDBSCPOPFONBUFSJBMFTNBTJWPTDPOTUJUVJEPT QPSOBOPUVCPTEFQBSFEFTNÙMUJQMFT1BSBFMMPTFUVWJFSPOFODPOTJEFSBDJÓOMBTQSPQJFEBEFTGÎTJDBT Z MB FOFSHÎB VNCSBM EF EFTQMB[BNJFOUP EFM DBSCPOP SFQPSUBEBT FO MB MJUFSBUVSB QBSB FTUF NBUFSJBM 4FDBMDVMÓUBNCJÊOMBEJTUSJCVDJÓOFTQBDJBMEFMPTáVKPTFOFSHÊUJDPTEFMPTFMFDUSPOFTZQPTJUSPOFT EFOUSPEFMCMBODPJSSBEJBEP VUJMJ[BOEPMBTJNVMBDJÓONBUFNÃUJDBEFMUSBOTQPSUFEFMPTGPUPOFTZMBT QBSUÎDVMBTFOMBNBUFSJB$POTJEFSBOEPBNCPTSFTVMUBEPT TFEFUFSNJOBSPOMPTQFSàMFTEFEBÒPQPS EFTQMB[BNJFOUPTBUÓNJDPTEFOUSPEFMNBUFSJBMNBTJWPBOBMJ[BEP QBSUJDVMBSJ[BOEPFMBQPSUFEFDBEB UJQPEFQBSUÎDVMBTFDVOEBSJBHFOFSBEBQPSMBJOUFSBDDJÓOEFMPTGPUPOFT-PTSFTVMUBEPTNPTUSBSPOFM DPNQPSUBNJFOUPDSFDJFOUFEFMBTTFDDJPOFTFàDBDFTEFEFTQMB[BNJFOUPFOUPEPFMJOUFSWBMPEFFOFS HÎBDJOÊUJDBFWBMVBEP4FEFUFSNJOBSPOMPTWBMPSFTEFFOFSHÎBTDJOÊUJDBTEFFMFDUSPOFTZQPTJUSPOFTB QBSUJSEFMPTDVBMFTTPOQSPCBCJMÎTUJDBNFOUFQPTJCMFTMPTQSPDFTPTEFEFTQMB[BNJFOUPTBUÓNJDPTTJN QMFTZNÙMUJQMFT4FDPOàSNÓMBJNQPSUBODJBEFMBQPSUFEFMPTQPTJUSPOFTBMOÙNFSPUPUBMEFEFGFDUPT QVOUVBMFTHFOFSBEPTEVSBOUFMBJOUFSBDDJÓOEFMPTSBZPTHBNNBDPOFMNBUFSJBMFTUVEJBEP 1BMBCSBTDMBWFOBOPUVCPTEFDBSCPOP SBEJBDJØOHBNNB EFTQMB[BNJFOUPTBUØNJDPT TFDDJØOFmDB[ NÏUPEPEF.POUF$BSMP TJNVMBDJØO
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Introduction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àDBUJPOJTFTTFOUJBMGPSUIFTPDBMMFE EFGFDUBTTJTUFE FOHJOFFSJOH PG OBOPNBUFSJBMT 5IF TFTUVEJFTBSFBMTPWFSZJNQPSUBOUGPSUIFEFWFMPQNFOU PGPUIFSBQQMJDBUJPOTSFMBUFEUPOVDMFBS BFSPTQBDFBOE NFEJDBMUFDIOPMPHJFT XIFSFEFWJDFTBOENBUFSJBMTCB TFEPODBSCPOOBOPTUSVDUVSFTBSFIBCJUVBMMZFYQPTFEUP BHHSFTTJWF SBEJBUJPO FOWJSPONFOUT &YBNQMFT PG UIFTF BQQMJDBUJPOT DPVME CF SBEJBUJPO EFUFDUPST TPMBS DFMMT CBUUFSJFT FMFDUSPOJD NJDSPDJSDVJUT FUD 5IF UIP SPVHILOPXMFEHFPGUIFSBEJBUJPOSFTQPOTFPGUIFTFNB UFSJBMTBOEEFWJDFT JUTSBEJBUJPOSFTJTUBODFBOEUIFEPTF UISFTIPMET JT EFDJTJWF GPS NPEFSO BOE GVUVSF TDJFODF BOEUFDIOPMPHZ 'PS UIF QSFTFOU TUVEZ HBNNB SBZT IBWF CFFO TF MFDUFEBTSBEJBUJPOTPVSDFEVFUPUIFJSIJHIQFOFUSBUJPO DBQBCJMJUZBOEUIFJSBCJMJUZUPHFOFSBUFTUBCMFQPJOUEF GFDUTUISPVHIUIFFNJUUFETFDPOEBSZQBSUJDMFT (BNNBSBZTBSFPGUFOQSFTFOUJOBOZOVDMFBSGBDJMJUZ FJ UIFSGPSSFTFBSDI FOFSHZHFOFSBUJPOPSNFEJDBMUIFSBQZ QVSQPTFT.PSFPWFS JOPVUFSTQBDFUIJTSBEJBUJPOGPSNT QBSUPGBOFOFSHFUJDBOEEFOTFSBEJBUJPOCBDLHSPVOE "MUIPVHIUIFTUVEZPGHBNNBSBZTFGGFDUTPOEJGGFSFOU DBSCPOOBOPTUSVDUVSFTJTSFQPSUFEJOTDJFOUJàDMJUFSBUVSF TFFGPSFYBNQMF UIFJOáVFODFPGHBNNBSBEJB UJPO PO EFGFDUT HFOFSBUJPO JO CVML NVMUJXBMMFE DBSCPO OBOPUVCFT #.8$/5 NBUFSJBMTJTJOWFTUJHBUFEGPSUIF àSTU UJNF *O QBSUJDVMBS UIF DBSCPO BUPN EJTQMBDFNFOU DSPTTTFDUJPO σEQB GPSFMFDUSPOTBOEQPTJUSPOTIBEOPU CFFOSFQPSUFE/FJUIFSUIFTBNQMFJOEFQUIEJTUSJCVUJPO PGUIFHFOFSBUFEEJTQMBDFNFOUTQFSBUPNUPUBMOVNCFS /EQB OPS JUT FMFDUSPO BOE QPTJUSPO DPOUSJCVUJPOT IBE CFFOTUVEJFE ,OPXMFEHF PG UIFTF EBUB BOE GBDUT QSPWJEFT OFX FWJEFODFTUPUIFVOEFSTUBOEJOHPGUIFHBNNBSBEJBUJPO EBNBHF QIFOPNFOPO JO BEWBODFE NBUFSJBMT TVDI BT #.8$/5 XIJDI JT FTTFOUJBM GPS TBGF BOE SFMJBCMF FY QMPJUBUJPOBOEHFOFSBMJ[BUJPOPGJUTBQQMJDBUJPOT
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Results and Discussion
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