发明名称 |
Оптический способ контрол редкоземельных примесей в монокристаллических ферритах-гранатах |
摘要 |
FIELD: solid-state physics; magneto-optics and optical spectrophotometry. SUBSTANCE: optical reflection and optical specimen passage spectra are recorded in wavelength range lambda = (0,6/1,1) mm. These spectra are used to calculate and construct optical absorption spectra. Thulium and ytterbium concentration is found from special mathematical formulas by presence and height of peaks on definite wavelengths of optical absorption spectra. EFFECT: provision for detecting minimal concentration of rare-earth impurities in single-crystalline ferrite-garnets. 1 cl, 5 dwg |
申请公布号 |
RU2001129256(A) |
申请公布日期 |
2004.03.10 |
申请号 |
RU20010129256 |
申请日期 |
2001.10.31 |
申请人 |
Московский государственный институт стали и сплавов (Технологический университет) |
发明人 |
Костишин Владимир Григорьевич;Медведь Виктор В чеславович;Летюк Леонид Михайлович |
分类号 |
H01L21/16 |
主分类号 |
H01L21/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|