Daim ntawv thov ntawm Fe3O4 nanoparticles:

catalyst:
Fe3O4 hais yog siv los ua cov catalysts hauv ntau qhov kev lag luam, xws li kev tsim NH3 (Haber ammonia ntau lawm txoj kev), high-temperature water-gas transfer reaction and natural gas desulfurization reaction.Vim yog qhov me me ntawm Fe3O4 nanoparticles, qhov loj tshwj xeeb ntawm thaj chaw, thiab qhov tsis zoo ntawm cov nanoparticles, cov kauj ruam tsis sib xws tau tsim, uas ua rau muaj kev sib cuag rau cov tshuaj lom neeg.Nyob rau tib lub sijhawm, Fe3O4 cov khoom siv los ua cov khoom thauj thiab cov khoom siv catalyst yog coated rau saum npoo ntawm cov khoom los npaj ultra-fine catalyst particles nrog cov tub ntxhais-plhaub qauv, uas tsis tsuas yog tswj lub siab catalytic kev ua tau zoo ntawm cov catalyst, tab sis kuj ua rau cov catalyst yooj yim rau rov siv dua.Yog li ntawd, Fe3O4 hais tau dav siv nyob rau hauv kev tshawb fawb ntawm catalyst txhawb.

Magnetic recording:
Lwm qhov tseem ceeb ntawm kev siv nano-Fe3O4 sib nqus yog los ua cov ntaub ntawv sib nqus.Nano Fe3O4 vim nws qhov me me, nws cov qauv sib nqus hloov pauv los ntawm ntau lub npe mus rau ib lub npe, nrog kev sib zog siab heev, siv los ua cov ntaub ntawv sib nqus tuaj yeem txhim kho lub teeb liab-rau- suab nrov piv, txhim kho cov duab zoo, thiab tuaj yeem ua tiav. cov ntaub ntawv siab ceev ceev.Txhawm rau kom ua tiav cov txiaj ntsig zoo tshaj plaws, cov khoom siv nano-Fe3O4 yuav tsum muaj cov coercivity siab thiab cov hlau nplaum seem, me me, kev tiv thaiv corrosion, kev sib txhuam thiab hloov mus rau qhov kub thiab txias.

Microwave nqus:
Nanoparticles muaj cov khoom siv kho qhov muag uas tsis muaj nyob rau hauv cov khoom siv sib xyaw ua ke vim qhov cuam tshuam me me, xws li optical nonlinearity, thiab lub zog poob thaum lub teeb nqus thiab lub teeb pom kev, uas yog nyob ntawm qhov loj ntawm nanoparticles.Cov kev tshawb fawb tau pom tias siv cov khoom siv kho qhov muag tshwj xeeb ntawm nanoparticles los npaj ntau yam khoom siv kho qhov muag yuav tau siv dav hauv lub neej niaj hnub thiab kev ua haujlwm siab.Kev tshawb fawb tam sim no ntawm qhov nam no tseem nyob hauv chav kuaj.Lub quantum loj nyhuv ntawm nano-particles ua rau nws ib tug xiav hloov tshwm sim rau lub teeb haum ntawm ib tug tej yam wavelength.Kev nqus ntawm lub teeb ntawm ntau lub wavelengths los ntawm nano-particle hmoov muaj qhov tshwm sim dav dav.Vim nws lub siab sib nqus permeability, Fe3O4 magnetic nanopowders tuaj yeem siv los ua ib hom ferrite absorbing khoom, uas yog siv hauv microwave nqus.

Adsorption tshem tawm cov pa phem hauv dej thiab rov qab zoo hlau:
Nrog rau txoj kev loj hlob sai ntawm industrialization, cov dej ua paug nrog dej tau dhau los ua qhov hnyav dua, tshwj xeeb tshaj yog cov hlau ions hauv lub cev dej, nyuaj-rau-degrade organic pollutants, thiab lwm yam, uas tsis yooj yim rau kev sib cais tom qab kev kho mob.Yog tias siv cov khoom sib nqus adsorption, nws tuaj yeem yooj yim sib cais.Cov kev tshawb fawb tau pom tias thaum Fe3O4 nanocrystals siv rau adsorb noble hlau ions xws li Pd2+, Rh3+, Pt4+ hauv hydrochloric acid distillate, qhov siab tshaj plaws adsorption peev rau Pd 2+ yog 0.103mmol·g -1 thiab qhov siab tshaj plaws adsorption muaj peev xwm rau Rh3+ yog 0.149mmol·g -1, qhov siab tshaj plaws adsorption muaj peev xwm rau Pt4 + yog 0.068mmol·g-1.Yog li ntawd, sib nqus Fe3O4 nanocrystals kuj yog ib qho kev daws teeb meem zoo tshaj plaws hlau adsorbent, uas yog qhov tseem ceeb rau kev rov ua dua tshiab ntawm cov hlau muaj txiaj ntsig.