ストロボ検出による核共鳴反射率測定法
Inquiry number
SOL-0000001308
Beamline
BL09XU (HAXPES I)
Scientific keywords
| A. Sample category | inorganic material, research on method, instrumentation |
|---|---|
| B. Sample category (detail) | magnetic material, membrane |
| C. Technique | X-ray elastic scattering, nuclear excitation, Mössbauer effect |
| D. Technique (detail) | reflection, refraction, Mössbauer spectra |
| E. Particular condition | polarization (linear), interface, time-resolved (ns), room temperature |
| F. Photon energy | X-ray (4-40 keV) |
| G. Target information | chemical state, spin/magnetism |
Industrial keywords
| level 1---Application area | storage device |
|---|---|
| level 2---Target | HD,MO |
| level 3---Target (detail) | capacitance insulator, magnetic layer |
| level 4---Obtainable information | film thickness, surface,interface, interface magnetic structure |
| level 5---Technique | reflectometry |
Classification
A30.20 surface・interface, A80.14 magnetic materials, A80.40 environmental materials
Body text
ストロボ検出による核共鳴反射率測定法（SDSMR)は、薄膜や多層膜の超微細相互作用の厚さ方向分布を調べられる精密な測定方法です。この方法は、メスバウアー元素を含む薄膜、多層膜に適用でき、スピンの向きや大きさもしくは化学状態などの厚さ方向分布に関する情報を得ることができます。図は[57Fe(2.6 nm)/Cr(1.3 nm)]20多層膜についてのSDSMRスペクトルを示しています。
図 電子散乱(a)、核共鳴散乱(b)の反射率曲線と(c)-(e)におけるSDSMRスペクトル
Source of the figure
Bulletin from SPring-8
Bulletin title
Research Frontiers 2003
Page
58
Technique
Source of the figure
No figure
Required time for experimental setup
8 hour(s)
Instruments
References
| Document name |
|---|
| Research Frontiers 2003, p58 |
Related experimental techniques
Questionnaire
The measurement was possible only in SPring-8. Impossible or very difficult in other facilities.
This solution is an application of a main instrument of the beamline.
Ease of measurement
Middle
Ease of analysis
With a great skill
How many shifts were needed for taking whole data in the figure?
Two-three shifts