LADP-4 Microwave Ferromagnetic Resonance Apparatus

Kev Piav Qhia Luv:

Ferromagnetic resonance ua lub luag haujlwm tseem ceeb hauv magnetism thiab txawm tias solid state physics. Nws yog lub hauv paus ntawm microwave ferrite physics. Microwave ferrite tau siv rau hauv kev siv radar thiab kev sib txuas lus microwave. Nyob rau lub sijhawm niaj hnub no, ferromagnetic resonance, zoo li electron spin resonance thiab magnetic resonance imaging, yog ib txoj hauv kev zoo los kawm txog cov khoom macroscopic thiab microstructure ntawm cov ntaub ntawv.
Lub tshuab microwave ferromagnetic resonance apparatus feem ntau yog tsim los ntawm peb ntu: lub tshuab tseem ceeb ntawm kev sim, lub tshuab microwave thiab lub tshuab hlau nplaum. Tsis tas li ntawd, yuav tsum muaj ob lub oscilloscope (qhov xaiv tau) rau kev sim.

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Kev sim

1. Nkag siab thiab paub txog cov haujlwm thiab cov txheej txheem tswj hwm ntawm txhua lub tshuab microwave.

2. Nkag siab txog qhov kev ntsuaskev puas tsuajlub hauv paus ntsiab lus thiab cov xwm txheej sim ntawm ferromagnetic resonance, thiab nkag siab txog cov yam ntxwv dav dav ntawm ferromagnetic resonance los ntawm kev soj ntsuam cov phenomenonntawm ferromagnetic resonance.

3. Cov teeb liab ferromagnetic resonance ntawm YIG polycrystallinecov pob yogpom los ntawm oscilloscope los txiav txim siab qhov resonance magnetic field, thiab g factor thiab gyromagnetic ratio ntawm polycrystalline samplesyogxam raws li zaus microwave.

4.Lublub tshuab ntsuas hluav taws xob digitalsiv los ntsuas tkev sib raug zoo ntawm lub zog tso zis ntawm qhov resonant cavity thiab lub zog sib nqus,piav qhiaqhov nkhaus resonance,thiab txiav txim siablub zog sib nqus resonanceQhov dav ntawm kab resonanceyog txiav txim siab raws li qhov ntsuas nkhaus, thiab lub sijhawm sontawm YIG polycrystalline qauv kwv yees.

5. Lub teeb liab ferromagnetic resonance ntawm YIG ib lub pob siv lead ua keispom los ntawm oscilloscope, thiab lub teeb liab resonance ib leegis pom los ntawm theem shifter, yog li ntawd kawm txoj kev txiav txim siab resonant magnetic field los ntawm oscilloscope soj ntsuam.

6. Kawm paub ntsuas qhov waveguide wavelength thiab resonant frequency ntawm resonant qhovlos ntawm kev luv luvlub piston.

7. Lubkev sib raug zoo ntawm kev taw qhiaresonance magnetic teb ntawm YIG ib leeg siv lead ua qauvthiab yog ntsuas, thiab covqhov loj ntawmresonance magnetic teb ntawm yooj yim magnetization axis thiabnyuajqhov axis magnetization yog txiav txim siab. Tnws anisotropy constant thiab factor raug suav.

Luv-lub voj vooglub piston	0-35 hli
Olub cheeb ntawm lub raj xa dej	txog li 5 hli
Microwave zaus ntsuasNtau yam kev ntsuas	8.2GHz-12.4GHz
Cov digitalGaussmeter	Ntau yam: 20000GsRkev daws teeb meempiv: 1Gs
Waveguidecov lus qhia tshwj xeeb	BJ-100 (Hauvqhov loj sab hauvntawm waveguide: 22.86mm × 10.16mm)
Kev txhawb siabqhov chaw	0-6V kho tau tas li, qhov sib piv ntawm kev daws teeb meem0.01V
Kev hloov pauv magnetic teb	50Hz, 0-16V (nqi siab tshaj plaws) kho tau tas li
Galvanometer	20mARkev daws teeb meempiv: 0.01mA 2mARkev daws teeb meempiv: 0.001mA
Qauv sims	YIG ib lub pob siv lead ua ke (taw qhia), YIG polycrystalkabpob