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1

Alloying Effect on K X-Ray Fluorescence Cross-Section in Cr_{x}Ni_{1-x} and Cr_{x}Al_{1-x} Alloys

100%

Büyükkasap E.

Acta Physica Polonica A

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1998

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vol. 93

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issue 5-6

701-705

EN

Alloying effect on the K_{α} and K_{β} X-ray fluorescence cross-sections in Cr_{x}Ni_{1-x} and Cr_{x}Al_{1-x} alloys was studied. The samples were excited by gamma rays with energy 59.5 keV from a^{241}Am radioisotope source and K X-rays emitted by the samples were counted with a Si(Li) detector. We found that K_{α} and K_{β} X-ray fluorescence cross-sections are changed by alloying effect in Cr_{x}Ni_{1-x} and Cr_{x}Al_{1-x} alloys for different composition x. We compared our results with the theoretical values.

2

Chemical Effects on the K_{β}/K_{α} Intensity Ratios in First-Row Transition Element Compounds

51%

Küçükönder A., Büyükkasap E., Yilmaz R., Şahin Y.

Acta Physica Polonica A

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1999

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vol. 95

|

issue 2

243-250

EN

Chemical Effects on the K_{β}/K_{α} X-ray Intensity Ratios for Some First-row Transition Element Compounds Were Studied Experimentally and Calculated. the Vacancies in the K Shell Were Created by 59.5 keV γ rays from an ^{241}Am Radioactive Source and Characteristic X-ray Radiation from Sample Was Measured by Using Si(li) and Ge(li) Detectors. the Calculations Were Carried Out Using Brunner's Model. the Calculated Relative K_{β}/K_{α} X-ray Intensity Ratios Are in Good Agreement with the Present and the Previously Published Experimental Data.

3

Determination of X-Ray Total Attenuation Coefficient in Zr, Ag, In for Energy Range Between 10.5-111.9 keV

45%

Turgut Ü., Büyükkasap E., Şimşek Ö., Ertuğrul M., Doğan O.

Acta Physica Polonica A

|

1998

|

vol. 93

|

issue 5-6

693-700

EN

The total X-ray attenuation coefficients in elements Zr, Ag, and In for K_{α} and K_{β} characteristic lines of elements with different Z (33 ≤ Z ≤ 92) were estimated by measuring attenuation in transmission method. The intensity of K X-rays was monitored by a Ge(Li) detector with energy resolution 190 eV at 5.9 keV. The experimentally measured attenuation coefficients were found in good agreement with the theoretical values of attenuation coefficients calculated by Storm, Israel and Hubbell, Seltzer.

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3 Acta Physica Polonica A

1 1999

2 1998

3 Büyükkasap E.

1 Doğan O.

1 Ertuğrul M.

1 Küçükönder A.

1 Turgut Ü.

1 Yilmaz R.

1 Şahin Y.

1 Şimşek Ö.

Alloying Effect on K X-Ray Fluorescence Cross-Section in Cr_{x}Ni_{1-x} and Cr_{x}Al_{1-x} Alloys

Chemical Effects on the K_{β}/K_{α} Intensity Ratios in First-Row Transition Element Compounds

Determination of X-Ray Total Attenuation Coefficient in Zr, Ag, In for Energy Range Between 10.5-111.9 keV