Observation of self-polarization in BSA protected Au-20 clusters

Swain D. K.; Narzary A.; Singh A. K.; Chandra A.; Nagasawa T.; Yamamoto S.; Mitsuishi M.; Rath S.

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Observation of self-polarization in BSA protected Au-20 clusters

机译：观察BSA保护Au-20集群的自极化

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Bovine serum albumin (BSA)-protected gold clusters (atomicity similar to 20), prepared using a wet chemical route, show strong dipolar radiative transition with a gap energy of 1.93 eV due to the high oscillator strength, as confirmed by the emission studies. Self-arrangement of the clusters with fixed atomicity yields a low dispersive dielectric and electric self-polarization nature. The electrical hysteresis loop measurements returned a remanent polarization of 0.05 mu C cm(-2), which can be correlated with the dipolar orientation (activation energy similar to 45.32 meV), originating from the structure-dependent deformation of the charge density.

机译：使用湿化学途径制备的牛血清白蛋白（BSA） - 保护金簇（类似于20的原子性），显示出强大的双极辐射过渡，由于发射研究的高振荡器强度，具有1.93eV的间隙能量。具有固定原子的簇的自动布置产生低分散电介质和电动自极极化性质。电动磁滞回路测量结果返回了0.05μccm（-2）的剩余偏振，其可以与偶极方向（激活能量类似于45.32mev）相关，源自电荷密度的结构依赖性变形。

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来源
《Nanotechnology》 |2017年第44期|共6页
作者
Swain D. K.; Narzary A.; Singh A. K.; Chandra A.; Nagasawa T.; Yamamoto S.; Mitsuishi M.; Rath S.;
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作者单位

Indian Inst Technol Bhubaneswar Sch Basic Sci Jatni 752050 Odisha India;

Indian Inst Technol Bhubaneswar Sch Basic Sci Jatni 752050 Odisha India;

Natl Inst Technol Dept Phys &

Astron Rourkela 769008 Odisha India;

Indian Inst Technol Dept Phys Kharagpur 721302 W Bengal India;

Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

Tohoku Univ Inst Multidisciplinary Res Adv Mat Aoba Ku 2-1-1 Katahira Sendai Miyagi 9808577 Japan;

Indian Inst Technol Bhubaneswar Sch Basic Sci Jatni 752050 Odisha India;

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原文格式 PDF
正文语种 eng
中图分类特种结构材料;
关键词
gold cluster; optical properties; dielectric properties; electric polarization;

机译：金簇;光学性质;介电性能;电极化;

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专利

1. Observation of self-polarization in BSA protected Au-20 clusters [J] . Swain D. K., Narzary A., Singh A. K., Nanotechnology . 2017,第44期

机译：观察BSA保护Au-20集群的自极化
2. Electronic structure and transport study of ligand protected gold magic cluster Au-20 [J] . Das Bidisa Physica, E. Low-dimensional systems & nanostructures . 2015,第Null期

机译：配体保护的金魔簇Au-20的电子结构和输运研究
3. Two photon induced luminescence of BSA protected gold clusters [J] . Raut S.L., Shumilov D., Chib R., Chemical Physics Letters . 2013,第Null期

机译：BSA保护的金团簇的两个光子诱导发光
4. Subsample difference correction for Terra MODIS SWIR bands 5-7 using lunar observations [C] . Truman Wilson, Xiaoxiong Xiong Conference on sensors, systems, and next-generation satellites . 2018

机译：使用月球观测值对Terra MODIS SWIR波段5-7的子样本差异校正
5. Effect of yeast, protected minerals and bismuth subsalicylate on in vitro fermentation by rumen microbes. [D] . Ruiz Moreno, Martin. 2012

机译：酵母，受保护的矿物质和水杨酸铋对瘤胃微生物体外发酵的影响。
6. Two Photon Induced Luminescence of BSA Protected Gold Clusters [O] . Sangram L. Raut, Dmytro Shumilov, Rahul Chib, -1

机译：两种光子诱导的BSA受保护的金簇发光
7. Two photon induced luminescence of BSA protected gold clusters [O] . Sangram L. Raut, Dmytro Shumilov, Rahul Chib, 2013

机译：两种光子诱导的BSA受保护的金簇发光

Observation of self-polarization in BSA protected Au-20 clusters

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