Multifrequency ESR Characterization of Paramagnetic Point Defects in Semiconducting Cubic BN Crystals

S. V. Nistor; M. Stefan; D. Ghica; E. Goovaerts

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Multifrequency ESR Characterization of Paramagnetic Point Defects in Semiconducting Cubic BN Crystals

机译：半导体立方BN晶体顺磁点缺陷的多频ESR表征

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Low-frequency (X-band) electron spin resonance (ESR) investigations on commercially available large-grained cubic boron nitride (cBN) superabrasive powders of various coloration, combined with high-frequency (W-band) ESR measurements on oriented submillimeter-size single crystallites selected from the same powder samples, resulted in a clear identification of several types of paramagnetic point defects. The resulting spin Hamiltonian parameters describing the ESR spectra observed in the 3–293 K temperature range and the photosensitivity of the paramagnetic defects observed in amber-colored cBN samples are reported. It is shown that the nature of the paramagnetic centers depends on the color of the investigated samples and that, in many cases, uncontrolled impurities seem to be involved in their structure.

机译：对市售的各种颜色的大粒径立方氮化硼（cBN）超级磨料粉进行低频（X波段）电子自旋共振（ESR）研究，并结合定向亚毫米尺寸的高频（W波段）ESR测量从相同的粉末样品中选出的单晶可以清楚地识别出几种类型的顺磁点缺陷。报告了由此产生的自旋哈密顿参数，描述了在3–293 K温度范围内观察到的ESR光谱以及在琥珀色cBN样品中观察到的顺磁缺陷的光敏性。结果表明，顺磁中心的性质取决于所研究样品的颜色，而且在许多情况下，其结构似乎涉及不受控制的杂质。

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《Applied Magnetic Resonance》 |2010年第2期|p.87-101|共15页
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S. V. Nistor; M. Stefan; D. Ghica; E. Goovaerts;
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1. Multifrequency ESR Characterization of Paramagnetic Point Defects in Semiconducting Cubic BN Crystals [J] . Nistor S.V., Stefan M., Ghica D., Applied Magnetic Resonance . 2010,第1a2期

机译：半导体立方BN晶体顺磁点缺陷的多频ESR表征
2. Iron-oxygen vacancy defect association in polycrystalline iron-modified PbZrO_3 antiferroelectrics: Multifrequency electron paramagnetic resonance and Newman superposition model analysis [J] . Hrvoje Mestric, Ruediger-A. Eichel, Klaus-Peter Dinse, Physical review. B, Condensed Matter And Materials Physics . 2006,第18期

机译：多晶铁修饰的PbZrO_3反铁电材料中铁-氧空位缺陷的缔合：多频电子顺磁共振和纽曼叠加模型分析
3. Characterization of (Fe''/sub Zr,Ti/- V/sub O//sup spl middot//sup spl middot/)/sup spl middot/ Defect Dipoles in (La,Fe)-Codoped PZT 52.5/47.5 Piezoelectric Ceramics by Multifrequency Electron Paramagnetic Resonance Spectroscopy [J] . Erdem E., Eichel R.-A., Kungl H., IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control . 2008,第5期

机译：（Fe，/ Zr，Ti /-V / sub O // sup spl middot // sup spl middot /）/ sup spl middot /（La，Fe）掺杂PZT 52.5 / 47.5压电陶瓷中的缺陷偶极子的表征多频电子顺磁共振光谱法
4. Preparation and Characterization of Polycrystalline Cubic Boron Nitride (PcBN) Compacts by a Pressureless Sintering Process [C] . Zhenhuo Ren, Rui Zhang, Hailong Wang, China international conference on high-performance ceramics . 2010

机译：无压烧结法制备多晶立方氮化硼（PcBN）压块
5. Defect characterization and stress analysis by white beam synchrotron X-ray topography in single crystal semiconducting materials. [D] . Sarkar, Vishwanath. 2011

机译：单晶半导体材料中的白光同步辐射X射线形貌缺陷表征和应力分析。
6. Icosahedral quasicrystals of intermetallic compounds are icosahedral twins of cubic crystals of three kinds consisting of large (about 5000 atoms) icosahedral complexes in either a cubic body-centered or a cubic face-centered arrangement or smaller (about 1350 atoms) icosahedral complexes in the β-tungsten arrangement [O] . Linus Pauling 1989

机译：金属间化合物的二十面体准晶体是三种立方晶体的二十面体孪晶由大（约5000原子）的二十面体配合物（以立方体心或立方面心排列）或更小（约1350原子）的二十面体配合物组成。 β钨排列
7. Erratum: “Study of the ground multiplet of Kramers rare earth ions in solid matrices by multifrequency electron paramagnetic resonance spectroscopy: Nd3+ in PbWO4 single-crystals” J. Chem. Phys. 131, 034505 (2009) [O] . F. F. Popescu, V. Bercu, J. N. Barascu, 2009

机译：误判：“通过多频电子顺磁共振光谱分析：PBWO4单晶中的固体矩阵中克拉姆稀土离子的研克稀土离子的研究”J。化学。物理。 131,034505（2009）
8. Ionic Group Theory for Electrophoto and Nonlinear Optical Effects of Crystals. III. Calculations of Electrophoto and Multifrequency Coefficients of LiNbO sub 3 , LiTaO sub 3 , KNbO sub 3 and BNN Crystals Using an Ionic Group Model [R] . Chen, Z. 1977

机译：电子照相的离子群理论与晶体的非线性光学效应。 III。用离子群模型计算LiNbO sub 3，LiTaO sub 3，KNbO sub 3和BNN晶体的电子照相和多频系数

Multifrequency ESR Characterization of Paramagnetic Point Defects in Semiconducting Cubic BN Crystals

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