Ndị na-eme nchọpụta na North Carolina State University ewepụtala usoro iji chịkwaa esemokwu elu nke ọla mmiri mmiri site na itinye voltaji dị oke ala, na-emeghe ọnụ ụzọ nke ọgbọ ọhụrụ nke sekit eletrọnịkị reconfigurable, antennas na teknụzụ ndị ọzọ.Usoro a na-adabere n'eziokwu ahụ bụ na oxide "akpụkpọ ahụ" nke ígwè, nke nwere ike ịchekwa ma ọ bụ wepụ ya, na-eme ihe dị ka surfactant, na-ebelata esemokwu dị n'etiti ígwè na mmiri mmiri gbara ya gburugburu.googletag.cmd.push(ọrụ() {googletag.display('div-gpt-ad-1449240174198-2');});
Ndị ọrụ nyocha ahụ jiri igwe mmiri mmiri nke gallium na indium mee ihe.N'ime mkpụrụ osisi ahụ, alloy na-enweghị ihe nwere oke mgbakasị elu dị elu, ihe dị ka 500 millinewtons (mN) / mita, nke na-eme ka ígwè ahụ mepụta patches spherical.
"Ma anyị chọpụtara na ntinye nke obere ụgwọ dị mma - ihe na-erughị 1 volt - kpatara mmeghachi omume electrochemical nke kpụrụ oyi akwa oxide n'elu ígwè ahụ, nke na-ebelata esemokwu elu site na 500 mN / m ruo ihe dị ka 2 mN / m."kwuru Michael Dickey, Ph.D., osote prọfesọ nke chemical na biomolecular engineering na North Carolina State na onye isi edemede nke akwụkwọ na-akọwa ọrụ ahụ."Mgbanwe a na-eme ka igwe mmiri ahụ gbasaa dị ka pancake n'okpuru ike ike ndọda."
Ndị nchọpụta ahụ gosikwara na mgbanwe nke esemokwu elu na-agbanwe agbanwe.Ọ bụrụ na ndị na-eme nchọpụta na-agbanwe polarity nke ụgwọ ahụ site na ihe dị mma na nke na-adịghị mma, a na-ewepụ oxide ma elu elu elu na-alaghachi.Enwere ike idozi esemokwu dị n'elu n'etiti oke abụọ a site n'ịgbanwe nrụgide na obere ntakịrị.Ị nwere ike na-ekiri vidiyo nke usoro n'okpuru.
"Mgbanwe a na-akpata na esemokwu elu bụ otu n'ime ndị kasị ukwuu e dekọrọ, nke dị ịrịba ama n'ihi na enwere ike ịchịkwa ya na ihe na-erughị volt," Dickey kwuru."Anyị nwere ike iji usoro a na-achịkwa mmegharị nke ọla mmiri mmiri, nke na-enye anyị ohere ịgbanwe ọdịdị nke antennas ma mee ma ọ bụ mebie sekit.Enwere ike iji ya na ọwa microfluidic, MEMS, ma ọ bụ fotonic na ngwa anya.Ọtụtụ ihe na-etolite oxides elu, yabụ enwere ike ịgbatị ọrụ a karịa ọla mmiri mmiri a mụrụ ebe a. ”
Ụlọ nyocha Dickey egosipụtala ụzọ igwe eji eme mmiri "3D obibi akwụkwọ" nke na-eji oyi akwa oxide na-etolite na ikuku iji nyere igwe mmiri ahụ aka ijide ọdịdị ya - yiri ihe oyi akwa oxide na-eji alloy na ngwọta alkaline..
"Anyị chere na oxides na-akpa àgwà dị iche iche na gburugburu ebe dị mkpa karịa ikuku ikuku," Dickey kwuru.
Ozi nkowa mgbakwunye: A ga-ebipụta akụkọ "Giant and switchable surface activity of liquid metal through surface oxidation" na ịntanetị na Septemba 15 na Usoro nke National Academy of Sciences:
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