Cov kws tshawb fawb los ntawm ib lub tsev kawm ntawv muaj koob npe tsis ntev los no tau qhia txog cov txheej txheem tsim khoom tshiab los tsim cov khoom hlau ntawm nano-scale. Txoj kev txiav-ntug no, tsim nyob rau hauv chav kuaj, ua rau cov ntawv luam tawm ntawm cov hlau me me, ntsuas kwv yees li 150 nanometers-li ib txhiab npaug me dua li yav dhau los muaj peev xwm. Cov khoom no nthuav tawm peb mus rau tsib npaug ntawm lub zog ntawm cov qauv zoo sib xws nrog ntau qhov kev txiav txim siab atomic.
Cov txheej txheem tshiab pib nrog kev npaj ntawm photosensitive "sib xyaw" uas muaj cov dej-raws li gel-polymer nrog lub peev xwm nqus ob peb zaug nws qhov hnyav hauv dej. Los ntawm kev xaiv curing no sib tov siv lasers, ib tug peb-dimensional scaffold yog tsim, mirroring cov yam xav tau ntawm cov khoom hlau. Nyob rau hauv txoj kev tshawb no, cov khoom coj los ua ib qho array ntawm cov kab me me thiab nano-scale lattice structures.
Tom qab ntawd, ib feem ntawm cov dej-raws li gel yog txhaj rau hauv cov kua dej uas muaj cov nickel ions. Thaum cov khoom yog saturated nrog hlau ions, lawv mus rau ib tug thermal kho txheej txheem kom txog rau thaum cov dej-raws li gel yog kiag li kub hnyiab tau, tawm hauv cov seem nrog lawv cov qub zoo li, tab sis tam sim no muaj tag nrho ntawm oxidized hlau ions. Los ntawm cov txheej txheem tshuaj, cov pa atoms raug tshem tawm ntawm qhov chaw, hloov cov hlau oxide rov qab rau hauv nws daim ntawv hlau.
Qhov kev ua tiav tseem ceeb no tau ua nyob rau hauv chav kuaj ntawm tus kws tshaj lij hauv cov khoom siv science, mechanics, thiab biomedical engineering. Cov kev tshawb fawb tau nyiaj los ntawm US Department of Energy, nrog kev txhawb nqa los ntawm Kavli Nanoscience Institute ntawm Fletcher Jones Foundation.
