<![CDATA[High-frequency EMR data for Fe <ce:sup loc='post'>2+</ce:sup> ( <ce:italic>S</ce:italic>?=?2) ions in natural and synthetic forsterite revisited – Fictitious spin <ce:italic>S</ce:italic>′?=?1 <ce:italic>versus</ce:italic> effective spin <mml:math xmlns:mml='http://www.w3.org/1998/Math/MathML' altimg='si36.gif' display='inline' overflow='scroll'> <mml:mrow> <mml:mover accent='true'> <mml:mi>S</mml:mi> <mml:mi>?</mml:mi> </mml:mover> </mml:mrow> </mml:math>?=?2 approach]]>

Micha? Kozanecki; Czes?aw Rudowicz; Hitoshi Ohta; Takahiro Sakurai

首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >2+ ( S?=?2) ions in natural and synthetic forsterite revisited – Fictitious spin S′?=?1 versus effective spin S ? ?=?2 approach]]>

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2+ ( S?=?2) ions in natural and synthetic forsterite revisited – Fictitious spin S′?=?1 versus effective spin S ? ?=?2 approach]]>

机译：<！[CDATA [FE 2 + （ S ？=？2）离子自然和合成的Forsterite重新审视 - 虚拟旋转 s '？=？1 与有效旋转 s ？？=？2方法]]>

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Abstract

Recent wide-band (65–850?GHz) electron magnetic resonance (EMR) study determined the zero field splitting (ZFS) parameters (ZFSPs) for Fe2+in natural and synthetic forsterite (Mg2SiO4) based on the fictitious spinS′?=?1 approach. So-obtained ZFSPs (D′,E′) are incompatible with those available in literature for 3d6(Fe2+) and 3d4(Fe4+, Mn3+, Cr2+) ions with the electronic spinS?=?2, which predominantly pertain to the effective spinS??=?2. Background for the effective spinS?versusthe fictitious ‘spin’S′ (J′) approaches is provided with focus on application to Fe2+ions. To enable comparison of theS′?=?1 ZFSPs with theS??=?2 ones methodology for conversions has been worked out and appropriate conversion relations derived for various combinations of the possible energy level schemes for the spinS??=?2 andS′?=?1. The second-rankS′?=?1 ZFSPs (D′,E′) measured by high-frequency EMR for Fe2+in Mg2SiO4are converted to theS??=?2 ZFSPs (D,E) and compared with literature data. Suitability of Fe2+:Mg2SiO4systems for application as high-pressure probes for high-magnetic field and high-frequency EMR (HMF-EMR) is then considered. The results of this study may be applied to other cases of 3d6and 3d4(S?=?2) ions in various hosts.

Highlights

?ZFSPs (D′,E′) for f

机译：<！[CDATA [ 抽象最近宽带（？65-850千兆赫）电子磁共振（EMR）研究确定了零场分裂（ZFS）参数（ZFSPs）为铁 2 + 在天然和合成的镁橄榄石（Mg的 2 的SiO 4 ）：斜体>取值'= 1点的方法。如此获得的ZFSPs（ d'， E'）是与在文献中可获得的用于3D 6 （铁 2 + ）和3d 4 （铁 4 + ，锰 3 + ，铬 2 + ）离子与电子自旋取值 = 2，其主要涉及有效旋取值 = 2？。背景技术用于有效旋取值 < / MML：数学> 与虚拟 '自旋'取值'（ J'）办法设置有焦点上应用对于Fe 2 + 离子。为了使比较取值'= 1个ZFSPs与取值 <？/ MML：MI> = 2个1的方法用于转化已经制定并推导出可能的能级的各种组合适当的换算关系？自旋方案取值 = 2和取值'= 1？。第二秩取值'= 1个ZFSPs（？d'， E' ）通过高频EMR为铁测定 2 + 在镁 2 的SiO 4 被转换为取值？ = 2个ZFSPs（ d ，电子）并与文献数据进行比较。 <：SUP LOC = “POST” CE> 2 + ：铁的适合的Mg 2 的SiO 4 应用如高压探针用于高磁场和高频EMR（HMF-EMR）系统然后考虑。该研究的结果可以被应用到3d的其他情况 6 和3d 4 （取值 = 2）的离子在各个主机？亮点 ZFSPs（ d'， E'）对于f

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来源
《Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics》 |2017年第2017期|共10页
作者
Micha? Kozanecki; Czes?aw Rudowicz; Hitoshi Ohta; Takahiro Sakurai;
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作者单位

Faculty of Chemistry A. Mickiewicz University;

Faculty of Chemistry A. Mickiewicz University;

Graduate School of Science Kobe University;

Center for Supports to Research and Education Activities Kobe University;

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原文格式 PDF
正文语种 eng
中图分类合金学与各种性质合金;金属材料;
关键词
High-magnetic field and high-frequency electron magnetic resonance (HMF-EMR); Zero-field splitting (ZFS) parameters; Effective and fictitious spin; Fe2+(S?=?2) ions; Natural and synthetic forsterite (Mg2SiO4);

机译：高磁场和高频电子磁共振（HMF-EMR）;零场分裂（ZFS）参数;有效和虚拟旋转;Fe2 +（s？=α2）离子;天然和合成的Forsterite（mg2sio4）;

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1. 2+ ( S?=?2) ions in natural and synthetic forsterite revisited – Fictitious spin S′?=?1 versus effective spin S ? ?=?2 approach]]> [J] . Micha? Kozanecki, Czes?aw Rudowicz, Hitoshi Ohta, Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2017,第期

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2+ ( S?=?2) ions in natural and synthetic forsterite revisited – Fictitious spin S′?=?1 versus effective spin S ? ?=?2 approach]]>

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