Ngaba ungasixelela ngakumbi malunga nefuthe letyuwa kwiziphumo? Ngaba kukho uhlobo oluthile lwempembelelo ye-capacitive ye-double layer ye-ion emhlabeni?
Kuya kuba kuhle ukuba ungandibonisa ulwazi oluninzi malunga noku. Ndinomdla wokwenza imilinganiselo yokufuma komhlaba echanekileyo.
Khawufane ucinge ukuba bekukho umqhubi ogqibeleleyo ojikeleze inzwa (umzekelo, ukuba i-sensor yantywiliselwa kwi-liquid gallium metal), iya kudibanisa iipleyiti ze-capacitor ezizivayo omnye komnye ukuze i-insulator kuphela phakathi kwabo ibe yingubo encinci ye-conformal kwibhodi yesekethe.
Ezi zivamvo zinexabiso eliphantsi, ezakhelwe kwiitshiphusi ezingama-555, zihlala zisebenza ngokuphindaphindiweyo kumashumi e-kHz, ephantsi kakhulu ukuphelisa impembelelo yeetyuwa ezinyityilisiweyo. Isenokuba phantsi ngokwaneleyo ukuba kubangele ezinye iingxaki ezifana nokufunxa i-dielectric, ezibonakalisa njenge-hysteresis.
Qaphela ukuba ibhodi ye-sensor ngokwenene i-capacitor kuchungechunge kunye nesekethe elinganayo yomhlaba, enye kwicala ngalinye. Ungasebenzisa kwakhona i-electrode engakhuselekanga ngaphandle kwengubo yokudibanisa ngokuthe ngqo, kodwa i-electrode iya kuchithwa ngokukhawuleza emhlabeni.Ukusetyenziswa kwentsimi yombane kuya kubangela i-polarization kumhlaba + kwindawo yamanzi. Imvume eyinkimbinkimbi ilinganiswa njengomsebenzi wombane osetyenzisiweyo, ngoko ke i-polarization yezinto eziphathekayo zihlala zilele emva kwendawo yombane esetyenzisiweyo. Njengoko i-frequency yentsimi esetyenzisiweyo isanda kuluhlu oluphezulu lwe-MHz, inxalenye yentelekelelo ye-dielectric eqhubekayo yehla ngokukhawuleza njengoko i-dielectric polarization ingasalandeli i-oscillations ephezulu yombane.
Ngaphantsi kwe-500 MHz, inxalenye ecingelwayo ye-dielectric constant ilawulwa yityuwa kwaye, ngenxa yoko, i-conductivity. Ngaphezulu kwezi zihlandlo, i-dipole polarization iya kuncipha kakhulu kwaye i-dielectric constant constant iya kuxhomekeka kumxholo wamanzi.
Uninzi lwabenzi boluvo zorhwebo luyicombulula le ngxaki ngokusebenzisa amaza asezantsi kunye nokusebenzisa igophe lokulinganisa ukulinganisa iipropati zomhlaba kunye nokuphindaphinda.
Ixesha lokuposa: Jan-25-2024