Study of Quantum Surfaces and Interfaces using a Scanning Probe Microscope Working at Very Low Temperatures
使用在极低温度下工作的扫描探针显微镜研究量子表面和界面
基本信息
- 批准号:19340101
- 负责人:
- 金额:$ 12.06万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2007
- 资助国家:日本
- 起止时间:2007 至 2008
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
本研究は、極低温動作可能な走査プローブ顕微鏡(SPM)を開発し、低次元電子系やヘリウム等のクリーンな「量子界面」で発現する新奇量子現象の解明を行うものである。以下の研究成果を得た。(1)周波数変調型極低温原子間力顕微鏡(FM-LT-AFM)技術を確立し、50mKまでの極低温度域での動作、原子ステップ分解能の実現に成功した。(2)探針が表面に平行に振動する「極低温摩擦力顕微鏡」を開発し、典型的な層状超伝導物質NbSe_2の平坦表面におけるナノスケール摩擦を研究した。探針と表面が10nm程度離れている状況(非接触領域)でも、探針に大きな摩擦力が働くことを発見した。この非接触摩擦力の起源は従来の摩擦力理論では説明できない新奇なエネルギー散逸機構であり、摩擦現象の理解に新たな知見を与えると期待される。
This study aims to investigate the possible development of ultra-low temperature micromirrors (SPM) and the discovery of quantum interfaces in low-dimensional electron systems, and to elucidate novel quantum phenomena. The following research results were obtained. (1)The frequency modulated ultra-low temperature atomic force microscope (FM-LT-AFM) technology has been successfully established, and the operation and atomic decomposition in the ultra-low temperature region of 50mK have been successfully realized. (2)A study on the friction of a typical layered superconductor NbSe_2 on a flat surface was carried out. The probe surface is 10nm away from the surface (non-contact area), and the probe surface is 10 nm away from the surface. The origin of this non-contact friction force and the theory of friction force are explained in detail.
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Nano-scale friction on a superconductor surface by scanning probe microscopy
通过扫描探针显微镜观察超导体表面的纳米级摩擦
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:齋藤広大;林賢一;柴山義行;白濱圭也
- 通讯作者:白濱圭也
A low temperature scanning probe microscope using a quartz tuning fork
使用石英音叉的低温扫描探针显微镜
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:K Saitoh;K Hayashi;Y Shiba yama;K Shirahama
- 通讯作者:K Shirahama
Application of a low temperature scanning probe microscope to studies of the superfluidity of 4He
低温扫描探针显微镜在4He超流性研究中的应用
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:林賢一;齋藤広大;柴山義行;白濱圭也
- 通讯作者:白濱圭也
A current to voltage converter for cryogenics using a CMOS operational amplifier
使用 CMOS 运算放大器的低温电流电压转换器
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:Kenichi Hayashi;Kohta Saitoh;Yoshiyuki Shibayama;Keiya Shirahama
- 通讯作者:Keiya Shirahama
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SHIRAHAMA Keiya其他文献
SHIRAHAMA Keiya的其他文献
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{{ truncateString('SHIRAHAMA Keiya', 18)}}的其他基金
Cross correlations of electric, magnetic and flow fields in superfluid helium
超流氦中电场、磁场和流场的互相关
- 批准号:
24654110 - 财政年份:2012
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Development of Novel Refrigeration Method and Helium. Quasiparticle Spintronics using Nanopores
新型制冷方法和氦气的开发。
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22654041 - 财政年份:2010
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$ 12.06万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Nanoscale Helium Physics and Its Applications
纳米氦物理及其应用
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21224010 - 财政年份:2009
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Scientific Research (S)
Novel Quantum Many-Body Phenomena in Helium Nanostructures
氦纳米结构中的新型量子多体现象
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17071010 - 财政年份:2005
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas
Study of Novel Quantum Phenomena in Helium Confined in Nano-Structures
纳米结构中限制的氦中新量子现象的研究
- 批准号:
16204028 - 财政年份:2004
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Quantum Many - Body Effect of Two - Dimensional Electron Systems on Helium Films
氦薄膜上二维电子系统的量子多体效应
- 批准号:
14340110 - 财政年份:2002
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Dynamics of the Wigner Electron Crystal on Liquid Helium Surfaces
液氦表面维格纳电子晶体的动力学
- 批准号:
11440102 - 财政年份:1999
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Sliding and Nonlinear Transport in the Wigner Solid on a Liquid Helium Surface
液氦表面维格纳固体的滑动和非线性输运
- 批准号:
07640464 - 财政年份:1995
- 资助金额:
$ 12.06万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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