LADP-3 Microwave Electron Spin Resonance Zvishandiso
Electron spin resonance inonzi zvakare elektrononi paramagnetic resonance, iyo inoreva chiitiko chekushanduka kweronance pakati pemagineti esimba emagetsi eelectron spin magnetic nguva painokanganiswa neyakaenzana frequency frequency yemagetsi mu magnetic field. Ichi chiitiko chinogona kucherechedzwa muzvinhu zveparamagnetic zvine isina kuvharwa spin magineti nguva (kureva. Macomputer ane maelektroni asina kubatanidzwa). Naizvozvo, elektroni kutenderera resonance inzira yakakosha yekuona isina kusunganidzwa maerekitironi mune nyaya uye kusangana kwavo nemaatomu akapoterera, kuti vawane ruzivo nezve microstructure yechinhu. Iyi nzira ine kunzwisisika kukuru uye kugadzirisa, uye inogona kushandiswa kuongorora zvinhu zvakadzama pasina kukuvadza sampuro dhizaini uye pasina kupindira kumakemikari maitiro. Parizvino, inoshandiswa zvakanyanya mukutsvaga kwefizikisi, chemistry, biology uye mushonga.
Kuedza
1. Kudzidza uye kubvuma elektroni kutenderera resonance Fani.
2. Kuyera Lande's g-chinhu cheDPPH sampuro.
3. Dzidza mashandisiro ekushandisa microwave zvishandiso muEPR system.
4. Nzwisisa yakamira wave nekushandura resonant cavity urefu uye sarudza waveguide wavelength.
5. Measure yakamira wave wave shamba kugoverwa mune resonant mhango uye sarudza waveguide wavelength.
Magadzirirwo
Microwave Sisitimu | |
Pfupi-redunhu pisitoni | chinja renji: 30 mm |
Mharidzo | DPPH upfu muhubhu (zviyero: Φ2 × 6 mm) |
Microwave frequency mita | chiyero cheyero: 8.6 GHz ~ 9.6 GHz |
Waveguide zviyero | chemukati: 22.86 mm × 10.16 mm (EIA: WR90 kana IEC: R100) |
Electromagnet | |
Input voltage uye kunyatso | Max: ≥ 20 V, 1% ± 1 manhamba |
Input ikozvino renji uye kurongeka | 0 ~ 2.5 A, 1% ± 1 manhamba |
Kugadzikana | × 1 × 10-3+5 mA |
Simba remagineti | 0 ~ 450 mT |
Tsvaira Munda | |
Output voltage | ≥ 6 V |
Kubuda kwazvino huwandu | 0.2 ~ 0.7 A. |
Chikamu chekugadzirisa huwandu | ≥ 180 ° |
Scan kubuda | BNC chinongedzo, saw-dzino wave kubuda 1 ~ 10 V |
Yakasimba State Microwave Signal Kunobva | |
Kakawanda | 8.6 ~ 9.6 GHz |
Kakawanda kukwira | ≤ ± 5 × 10-4/ 15 min |
Kushanda voltage | ~ 12 VDC |
Simba rekuburitsa | > 20 mW pasi peakaenzana amplitude modhi |
Mashandiro maitiro & paramita | Kuenzana kukura |
Yemukati square-wave modulation |
Kudzokorora kuwanda: 1000 Hz
Kururamisa: ± 15%
Skewness: <± 20 % Voltage yakamira wave wave chiyero <1.2Waveguide zviyero zvemukati: 22.86 mm × 10.16 mm (EIA: WR90 kana IEC: R100)
Zvikamu Rondedzero
Tsananguro | Qty |
Main Mutungamiriri | 1 |
Electromagnet | 1 |
Tsigiro Base | 3 |
Microwave Sisitimu | 1 set (inosanganisira akasiyana microwave zvinhu, sosi, detector, nezvimwewo) |
DPPH Sample | 1 |
Cable | 7 |
Chinyorwa Chekudzidzisa | 1 |