Determination of K shell absorption parameters for some lanthanides using the X-ray attenuation method

Akman, F.; Durak, Rıdvan; Kaçal, M.R.

doi:10.1139/cjp-2015-0281

Cited by 7 publications

(6 citation statements)

References 36 publications

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“…The Davisson-Kirchner ratio gives information about the total photoelectric contribution of higher shell electrons relative to K shell electrons. Moreover, study of this ratio as a function of photon energy gives information on an extended X-ray absorption fine structure [40]. The K shell oscillator strength is obtained from the following equation;…”

Section: Jinst 11 P08006mentioning

confidence: 99%

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Chemical effect on theKshell absorption parameters of some selected cerium compounds

2016

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In this study, the photoelectric cross section values of Ce, CeCl 3 .7H 2 O, Ce 2 (SO 4 ) 3 , Ce(OH) 4 and Ce 2 O 3 samples were measured in the energy range from 31.82 keV up to 51.70 keV by adopting in narrow beam geometry. Using these photoelectric cross sections, the K shell photoelectric cross sections at the K-edge, the K shell absorption jump ratios and jump factors, the Davisson-Kirchner ratios and K shell oscillator strength values were estimated experimentally. The measured parameters were compared with the theoretical calculated values. It is observed that the K shell photoelectric cross section at the K-edge and K shell oscillator strength values of an element are affected by the chemical environment of material while the K shell absorption jump ratio, K shell absorption jump factor and Davisson-Kirchner ratio are not affected by the chemical environment of material for the present samples. To the best of our knowledge, the chemical effects on the Davisson-Kirchner ratio and K shell oscillator strength have not been discussed for any element by now.

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Section: Jinst 11 P08006mentioning

confidence: 99%

“…The K shell oscillator strength is the probability of transition of the K shell electrons to all allowable states. Several investigators determined the Davisson-Kirchner ratio and/ or K shell oscillator strength values for the different elements [34][35][36][37][38][39][40][41].…”

Section: Introductionmentioning

confidence: 99%

Chemical effect on theKshell absorption parameters of some selected cerium compounds

2016

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“…The some studies of K X-ray production/fluorescence crosssections, vacancy transfer probability and fluorescence yields for different pure elements and chemical effect on the K shell fluorescence yield of different element compounds and alloys have given in literature (Rao, Chen, & Crasemann, 1972;Krause, 1979;Mukoyama, Taniguchi, & Adachi, 1986;Bhuinya & Padhi, 1993;Sch€ onfeld & Janben, 1996, 2000Ertugrul, 2002Ertugrul, , 2005Raj, Dhal, Padhi, & Polasik, 1998, 2001,2002Polasik, 1998;Buyukkasap, 1998;Sharma, Kumar, Singh, Puri, & Singh, 2005;Kalayci et al, 2005;Aylıkci et al, 2009Aylıkci et al, , 2010Han & Demir, 2009, 2010a, 2010b, 2010cDagistanlı, Kalayci, & Mutlu, 2010;Kacal, Han, Akman, & Durak, 2012;Akman, Durak, & Kacal, 2015, Akman, Kacal, & Durak, 2016.…”

Section: Introductionmentioning

confidence: 99%

Investigation of alloying effects on XRF parameters of 3d transition metals in Permendur49, Kovar and Ti50Co50 alloys

Alım

Uğurlu

Han

et al. 2018

Journal of Radiation Research and Applied Sciences

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The alloying effects on X-ray fluorescence (XRF) parameters such as K shell fluorescence cross-sections (s Ka , s Kb and s K ), K shell average fluorescence yields (u K ) and K to L shell vacancy transfer probabilities (h KL ) of V, Ti, Fe, Co and Ni 3d transition metals in Permendur49 (Fe 49 Co 49 V 2 ), Kovar (Fe 54 Ni 29 Co 17 ) and Ti 50 Co 50 alloys have been carried out by X-ray fluorescence studies. K X-ray intensity ratios of these 3d transition metals in both pure form and present alloys have been measured following excitation by 22.69 keV X-rays from a 10 mCi 109 Cd radioactive point source. The characteristic K-X-ray spectra from samples were detected by a high-resolution Si(Li) solid-state detector. The investigated fluorescence parameters of present 3d transition elements in alloys indicate significant differences with respect to the pure metals. Consequently, the observed change of the investigated fluorescence parameters can be attributed to the delocalization and charge transfer phenomena between the 3d elements in alloys.

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“…These parameters are important for many applied sciences such as health physics, engineering, radiation physics, and space research. There are many scienti ic studies carried out for these parameters using the different type matters in the literature [5][6][7][8][9][10][11][12][13][14][15]. The aim of this study is to investigate the radiation attenuation parameters such as mass attenuation coef icient, linear attenuation coef icient, half value layer, mean free path, and effective atomic number of commonly used in chemotherapeutic drugs such as Lomustine, Cisplatin, Carmustine, and Chlorambucil.…”

Section: Introductionmentioning

confidence: 99%

Investigation of radiation attenuation parameters of some drugs used in Chemotherapy in Wide Energy Region

Akman¹,

Kaçal²

2018

J Radiol Oncol

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inhibit the transcription of DNA into RNA and thus stop the protein synthesis [1]. Carmustine and Lomustine is utilized alone or combined with other drugs to treat various types' cancer such as testicular, pancreatic, ovarian, lymphoma and brain. Chlorambucil is usually preferred in the treatment of chronic lymphocytic leukemia, Hodgkin's and non-Hodgkin's lymphomas [2]. Cisplatin is usually chosen because of its strong antitumor activity, but its side effects contain renal toxicity, nausea and vomiting. Cisplatin is generally preferred in the treatment of chemotherapy for lung, ovarian, breast, and brain cancers [3]. Furthermore, radioactive Cisplatin with low doses and short half-life is used in such treatment [4]. The information on radiation attenuation parameters may be useful when these drugs are used together with radiology. The parameters such as mass attenuation coef icient, linear attenuation coef icient, half value layer, tenth value layer, mean free path, effective atomic number, and effective electron density are quantities to provide information about the radiation attenuation

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Determination of K shell absorption parameters for some lanthanides using the X-ray attenuation method

Cited by 7 publications

References 36 publications

Chemical effect on theKshell absorption parameters of some selected cerium compounds

Chemical effect on theKshell absorption parameters of some selected cerium compounds

Investigation of alloying effects on XRF parameters of 3d transition metals in Permendur49, Kovar and Ti50Co50 alloys

Investigation of radiation attenuation parameters of some drugs used in Chemotherapy in Wide Energy Region

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