Sinkrotron Işınımı: Depolama Halkasından Sert X-ışını Demet Hattına

Yıl 2019, , 75 - 88, 31.12.2019

Didem Ketenoğlu

https://doi.org/10.17482/uumfd.534761

Cited By: 1

Öz

Bu çalışmada, elektronların bir elektron kaynağından salınması ile başlayıp sinkrotron ışınımı elde
edilmesine kadarki birbirini izleyen adımları kapsayan genel bir bakış sunulmuştur. Üçüncü nesil ışınım
kaynaklarının ana karakteristikleri ve temel bileşenleri ile farklı eklenti aygıtlarının ışınım
karakteristikleri de tartışılmıştır. Tipik bir sert X-ışını sinkrotron demet hattının kısaca tasvirinden sonra,
rezonans olmayan inelastik sert X-ışını tekniği olan, sinkrotron ışınımına dayalı X-ışını Raman saçılma
spektroskopisi açıklanmıştır. Son olarak, DESY-PETRA III sinkrotronundaki X-ışını Raman
spektrometresi kullanılarak, 10 keV enerjide 0.8 eV çözünürlükle kaydedilen sıvı fazdaki suyun oksijen
K-soğurma sınırı spektrumu sunulmuş ve literatürde geleneksel X-ışını soğurma spektroskobisi ile
ölçülen spektrum ile karşılaştırılmıştır. 

Anahtar Kelimeler

Sinkrotron ışınımı, depolama halkası, demet hattı, üçüncü nesil ışınım kaynağı, Inelastik X-ışını Saçılması, X-ışını Raman saçılma spektroskopisi

SYNCHROTRON RADIATION: FROM STORAGE RING TO A HARD X-RAY BEAMLINE

Öz

In the present study, a general overview covering the consecutive steps, starting with the
release of electrons from an electron source until the generation of synchrotron radiation, is presented. A
brief introduction regarding the main characteristics and fundamental components of third generation
light sources as well as the radiation characteristics of different Insertion Devices are discussed.
Following a concise description of a typical hard X-ray synchrotron beamline, synchrotron radiation
based X-ray Raman scattering spectroscopy, which is a non-resonant inelastic hard X-ray technique, is
explained. Finally, liquid water oxygen K-edge absorption spectrum recorded with a resolution of 0.8 eV
at 10 keV utilizing X-ray Raman spectrometer at PETRA III facility of DESY is presented and
compared to the spectrum from the literature measured by conventional X-ray absorption spectroscopy.

Anahtar Kelimeler

Synchrotron radiation, storage ring, beamline, third generation light source, Inelastic X-ray Scattering, X-ray Raman scattering spectroscopy

Kaynakça

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