Nondestructive determination of the 13C content in isotopic diamond by nuclear resonance fluorescence

被引：18

作者：

Beck, O

Ruf, T

Finkelstein, Y

Cardona, M

Anthony, TR

Belic, D

Eckert, T

Jager, D

Kneissl, U

Maser, H

Moreh, R

Nord, A

Pitz, HH

Wolpert, A

机构：

[1] Univ Stuttgart, Inst Strahlenphys, D-70569 Stuttgart, Germany

[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany

[3] Ben Gurion Univ Negev, IL-84105 Beer Sheva, Israel

[4] GE, Corp Res & Dev, Schenectady, NY 12309 USA

来源：

JOURNAL OF APPLIED PHYSICS | 1998年 / 83卷 / 10期

关键词：

D O I：

10.1063/1.367378

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nuclear resonance fluorescence excited with continuous electron bremsstrahlung from the 4.3 MV Stuttgart Dynamitron accelerator is used as a nondestructive method to determine the C-13 Content x of bulk isotopic diamonds ((C1-xCx)-C-12-C-13). The smallest detectable amount of C-13 in carbon or low Z matrices is on the order of 0.5 mg. The relative accuracy of absolute mass determinations is about +/-7%. Errors are mainly due to uncertainties in the natural widths Gamma of the C-13 nuclear levels at 3089 and 3684 keV used in the measurements. The results confirm a previous calibration which is based on Raman scattering and the destructive determination of x by mass spectroscopy. (C) 1998 American Institute of Physics.

引用

页码：5484 / 5488

页数：5

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