ESR measurements on one-dimensional quantum ferrimagnets A(3)Cu(3)(PO4)(4) with A = Sr and Ca in submillimeter-wave region

Kimura S; Ishikawa H; Inagaki Y; Yoshida M; Okubo S; Ohta H; Nojiri H; Belik AA; Azuma M; Takano M

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ESR measurements on one-dimensional quantum ferrimagnets A(3)Cu(3)(PO4)(4) with A = Sr and Ca in submillimeter-wave region

机译：一维量子亚铁A（3）Cu（3）（PO4）（4）的ESR测量，其中A = Sr和Ca在亚毫米波区域

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We have performed high-frequency ESR measurements on powder and aligned samples of one-dimensional quantum ferrimagnets, A(3)Cu(3)(PO4)(4), with A=Sr and Ca. Large shifts of paramagnetic g-values were observed. We explain the observed g-shifts by means of an antiferromagnetic trimer model. Moreover, gradual increases of the linewidth of the ESR spectra are observed, indicating that a short-range correlation between the effective spins on the trimers begins to develop with decreasing temperature below 25 K. Analysis of the ESR signal, taking the local structures around Cu2+ ions into account, indicates quantum nature of A(3)Cu(3)(PO4)(4) compounds.

机译：我们对一维量子亚铁（A（3）Cu（3）（PO4）（4））的粉末和对齐样品进行了高频ESR测量，其中A = Sr和Ca。观察到顺磁g值发生了较大变化。我们通过反铁磁三聚体模型解释了观察到的g位移。此外，观察到ESR谱线宽逐渐增加，表明三聚体上有效自旋之间的短程相关性随温度降低到25 K以下而开始发展。对ESR信号的分析，采用Cu2 +附近的局部结构离子，表示A（3）Cu（3）（PO4）（4）化合物的量子性质。

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来源
《Journal of the Physical Society of Japan》 |2006年第9期|共7页
作者
Kimura S; Ishikawa H; Inagaki Y; Yoshida M; Okubo S; Ohta H; Nojiri H; Belik AA; Azuma M; Takano M;
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正文语种 eng
中图分类物理学;
关键词
one-dimensional quantum ferrimagnet; Sr3Cu3(PO4)(4); Ca3Cu3(PO4)(4); g-value; high-frequency ESR; DISTORTED DIAMOND CHAIN; GROUND-STATE; FIELD; SYSTEMS; MODEL; NENP; EPR; 1D;

机译：一维量子铁磁体;Sr3Cu3（PO4）（4）;Ca3Cu3（PO4）（4）;g值;高频ESR;变形金刚石链;基态;场;场;系统;模型;NENP;EPR;1D;

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1. ESR measurements on one-dimensional quantum ferrimagnets A(3)Cu(3)(PO4)(4) with A = Sr and Ca in submillimeter-wave region [J] . Kimura S, Ishikawa H, Inagaki Y, Journal of the Physical Society of Japan . 2006,第9期

机译：一维量子亚铁A（3）Cu（3）（PO4）（4）的ESR测量，其中A = Sr和Ca在亚毫米波区域
2. Metamagnetic transitions of Lu2Cu2O5 studied by submillimeter-wave ESR measurement [J] . Goto T., Okubo S., Ohta H., Applied Magnetic Resonance . 2000,第4期

机译：亚毫米波ESR测量研究Lu2Cu2O5的亚磁跃迁
3. Sensitive Cu~(2+)-Cu~(2+) Distance Measurements in a Protein-DNA Complex by Double-Quantum Coherence ESR [J] . Sharon Ruthstein, Ming Ji, Preeti Mehta The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical . 2013,第20期

机译：利用双量子相干ESR对蛋白质-DNA复合物中的敏感Cu〜（2 +）-Cu〜（2+）距离进行测量
4. Submillimeter and millimeter wave ESR measurements of one-dimensional edge-sharing CuO/sub 2/ chain system Ca/sub 2/Y/sub 2/Cu/sub 5/O/sub 10/ [C] . Okubo S., Kawakami K., Ohta H. Infrared and Millimeter Waves, 2002. Conference Digest. Twenty Seventh International Conference on . 2002

机译：一维边缘共享CuO / sub 2 /链系统Ca / sub 2 / Y / sub 2 / Cu / sub 5 / O / sub 10 /的亚毫米和毫米波ESR测量
5. The measurement of weak electron spin-spin exchange interactions in copper(II) complexes by ESR spectroscopy [D] . Zhou, Dawei. 1993

机译：ESR光谱法测定铜（II）配合物中弱电子自旋-自旋交换相互作用
6. Sensitive Cu2+-Cu2+ Distance Measurements in a Protein-DNA Complex by Double-Quantum Coherence ESR [O] . Sharon Ruthstein, Ming Ji, Preeti Mehta, -1

机译：双量子相干ESR在蛋白质-DNA复合物中的灵敏Cu2 + -Cu2 +距离测量
7. High Field ESR Measurements ofS= 1/2 Diamond Chain Substance Cu3(CO3)2(OH)2at the Magnetization Plateau Region [O] . Susumu Okubo, Akio Taketani, Hitoshi Ohta, 2005

机译：高场ESR测量= 1/2金刚石链物质Cu3（CO3）2（OH）2AT磁化高原区域

ESR measurements on one-dimensional quantum ferrimagnets A(3)Cu(3)(PO4)(4) with A = Sr and Ca in submillimeter-wave region

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