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I-LADP-4 yeMicrowave yeFerromagnetic Resonance Apparatus

Inkcazelo emfutshane:

I-Ferromagnetic resonance idlala indima ebalulekileyo kwi-magnetism kunye nakwifiziksi yombuso oqinileyo. Isisiseko se-microwave ferrite physics. I-Microwave ferrite isetyenzisiwe ngokwetekhnoloji yeradar kunye nonxibelelwano lwe-microwave. Kumaxesha anamhlanje, i-ferromagnetic resonance, njenge-electron spin resonance kunye ne-imaging resonance imaging, yindlela esebenzayo yokufunda iipropathi ze-macroscopic kunye ne-microstructure yemathiriyeli.
Isixhobo seMicrowave ferromagnetic resonance ikakhulu yenziwe ngamacandelo amathathu: inkqubo yovavanyo engundoqo yomatshini, inkqubo yemicrowave kunye nenkqubo yemagnethi. Ukongeza, i-dual trace oscilloscope (inxalenye yokhetho) iya kuxhotyiselwa umfuniselo.


Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimvavanyo

1. Qonda kwaye ulawule imisebenzi kunye neendlela zolawulo lwesixhobo ngasinye se-microwave.

2. Qonda umlinganiselorementUmgaqo kunye neemeko zovavanyo lwe-ferromagnetic resonance, kwaye uqonde iimpawu ngokubanzi ze-ferromagnetic resonance ngokujonga i-pheno.menonukuvela kwe-ferromagnetic resonance.

3. Iimpawu ze-Ferromagnetic resonance ze-YIG polycrystallineiibhola ziijongwe yi-oscilloscope ukumisela i-resonance magnetic field, kunye ne-g factor kunye ne-gyromagnetic ratio yeesampuli ze-polycrystallineziibalwa ngokuphindaphindiweyo kwi-microwave.

4.Igalvanometer yedijithaliisetyenziselwa ukulinganisa i-tUbudlelwane phakathi kwamandla okukhutshwa kwecango kunye nemagnethi,chazaijika le-resonance,kwaye ugqibeintsimi yemagnethi. Ububanzi bomgca weresonancekumiselwa ngokwegophe lomlinganiselo, kunye nexesha lokuphumlaIsampuli ye-YIG ye-polycrystalline iqikelelwa.

5. Isignali ye-ferromagnetic resonance ye-YIG yebhola yekristale enyeisibonwa yi-oscilloscope, kunye nesignali ye-resonance enyeis ijongwe yi-phase shifter, ukuze ufunde indlela yokumisela i-resonant magnetic field ngokujongwa kwe-oscilloscope.

6. Funda indlela yokulinganisa ubude be-waveguide kunye ne-resonant frequency ye-resonant umngxumange-short-circuitipiston.

7. Iubudlelwane phakathi kwe-orientedi-resonance magnetic field ye-YIG isampuli yekristale enyekwaye iyalinganiswa, kwaye iubukhulu bei-resonance magnetic field of easy magnetization axis kunyenzimai-axis yemagnetization imisiwe. Tyena anisotropy rhoqo kwaye factor zibalwa.

 

Mfutshane-isiphalukaipiston 0-35mm
Oububanzi be-uterine yetyhubhu yesampuli malunga ne5mm
 Mimitha ye-icrowave frequencyUluhlu lomlinganiselo 8.2GHz-12.4GHz
IdijithaliGokanyemeter Uluhlu: 20000GsRisisombululoumlinganiselo:1Gs
Wi-aveguideiinkcukacha BJ-100(Kuubungakanani bangaphakathiUluhlu lwamaza: 22.86mm×10.16mm)
Uchulumancoumthombo 0-6V ngokuqhubekayo adjustable, umlinganiselo wesisombululo0.01V
Ukumodareyitha umhlaba wemagnethi I-50Hz, i-0-16V (ixabiso le-peak-to-peak) lihlengahlengiswa ngokuqhubekayo
Galvanometer 20mARisisombululoumlinganiselo: 0.01mA 2mARisisombululoumlinganiselo: 0.001mA
Isampulu yovavanyos Ibhola ye-YIG enye yekristale (ejoliswe kuyo), i-YIG polycrystalumgcaibhola

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