Studies of Two Dimensional Quantum Fluids and Solids with Low Temperature LEED and STM

利用低温 LEED 和 STM 研究二维量子流体和固体

基本信息

  • 批准号:
    22244042
  • 负责人:
  • 金额:
    $ 30.04万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
  • 财政年份:
    2010
  • 资助国家:
    日本
  • 起止时间:
    2010-04-01 至 2013-03-31
  • 项目状态:
    已结题

项目摘要

Low temperature quantum phase diagrams of the first and second layers of helium-3 (3He) and helium-4 (4He) adsorbed on graphite were studied by specific heat measurements. Theoretically unexpected many-body condensation of two-dimensional 3He was discovered. In addition, the existence of a commensurate solid phase in the second layer of both 3He and 4He was confirmed, which had also been unexpected from the first-principles calculations. This phase is presumably a low-density quantum solid with zero-point defectons.We succeeded in the first real-space imaging of monolayer of Krypton adsorbed on graphite with low temperature STM and confirmed the adsorption site of Kr to be the hollow site of graphite honeycomb lattice. A feasibility study of development of a LEED instrument which works at dilution refrigerator temperatures was successfully finished.
通过特定的热量测量研究,研究了在石墨上吸附的第一层和第二层的低温量子相图(3HE)和氦4(4He)。在理论上发现了二维3HE的意外多体凝结。此外,确认了3HE和4HE的第二层中相称的固相存在,这也是第一原理计算中的意外。该阶段可能是一种低密度量子固体,具有零点缺陷。我们成功地获得了用低温STM吸附在石墨上的k kypton单层成像,并证实了KR的吸附位点为Graphite honeycomb lattice的空心位点。在稀释冰箱温度下工作的LEED仪器开发的可行性研究已成功完成。

项目成果

期刊论文数量(46)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Density Variation of the Frustrated Ferromagnetism in 2D Solid H^^3e
二维固体 H^^3e 中受抑铁磁性的密度变化
  • DOI:
    10.1007/s10909-009-9993-9
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Sato;S. Takayoshi;K. Obata;T. Matsui;and H. Fukuyama
  • 通讯作者:
    and H. Fukuyama
Hysterisis of non-Classical rotational inertia in 2D 4He
2D 4He 中非经典转动惯量的迟滞
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    川崎雅裕;北嶋直弥;中山和則;久保園芳博;Y. Shibayama
  • 通讯作者:
    Y. Shibayama
STS Observation of Dirac Fermion, Topologically appeared on Graphite
狄拉克费米子的 STS 观测,拓扑出现在石墨上
  • DOI:
  • 发表时间:
    2010
  • 期刊:
  • 影响因子:
    0
  • 作者:
    T. Matsui;K. Tagami;M. Tsukada;and H. Fukuyama
  • 通讯作者:
    and H. Fukuyama
Spin-spin Relaxation Time Measurements of 2D H^^3e on Graphite
石墨上 2D H^^3e 的自旋-自旋弛豫时间测量
  • DOI:
    10.1088/1742-6596/400/1/012066
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Sato;K. Naruse;T. Matsui;and H. Fukuyama
  • 通讯作者:
    and H. Fukuyama
グラファイト上の2次元4He固体における超流動的振る舞いの速度依存性
石墨上二维 4He 固体超流体行为的速度依赖性
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    柴山義行;福山寛;白浜圭也
  • 通讯作者:
    白浜圭也
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FUKUYAMA Hiroshi其他文献

Development of Development of A Simplified Shaking Table Test Method Using Ultra-Small Scale HPFRCC Models PartIX Make A Frame Structure Models, Outline of Shaking Table Test and Results of Elastic Shaking
使用超小型 HPFRCC 模型开发简化振动台试验方法第 IX 部分制作框架结构模型、振动台试验概要和弹性振动结果
Development of Development of A Simplified Shaking Table Test Method Using Ultra-Small Scale HPFRCC Models PartX Results of The Tests for Frame Structures and Results of Earthquake Response Analyses
使用超小型HPFRCC模型开发简化振动台试验方法第X部分框架结构试验结果和地震响应分析结果
Development of A Simplified Shaking Table Test Method Using Ultra-Small Scale HPFRCC Models Part VII Restoring Force Characterisitcs of Shear-span Ratio 2 Models and Influence of Strain Speed and Scale Effect
超小型HPFRCC模型简化振动台试验方法的开发第七部分剪跨比2模型的恢复力特性以及应变速度和尺度效应的影响

FUKUYAMA Hiroshi的其他文献

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{{ truncateString('FUKUYAMA Hiroshi', 18)}}的其他基金

Supersolidity and the quantum spin liquid state in monolayer of helium
超固体和单层氦中的量子自旋液态
  • 批准号:
    18H01170
  • 财政年份:
    2018
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Co-development of infants and parents
婴儿与父母共同发展
  • 批准号:
    19K21006
  • 财政年份:
    2018
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Research Activity Start-up
Development of a compact and continuous sub-millikelvin refrigerator
开发紧凑型连续亚毫开尔文制冷机
  • 批准号:
    15K13398
  • 财政年份:
    2015
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Challenging Exploratory Research
Magnetism and Superfluidity in Charge-Neutral Fermi Particles in Two Dimensions
二维电中性费米粒子的磁性和超流动性
  • 批准号:
    15H03684
  • 财政年份:
    2015
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Quantum physical properties in Two-Dimensional Helium
二维氦的量子物理性质
  • 批准号:
    17071002
  • 财政年份:
    2005
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Physics of New Quantum Phases in Superclean Materials
超净材料中新量子相的物理学
  • 批准号:
    17071001
  • 财政年份:
    2005
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Two-Dimensional Quantum Properties of Monolayer Helium Three Adsorbed on ZYX Graphite
ZYX石墨吸附单层氦三的二维量子特性
  • 批准号:
    15340113
  • 财政年份:
    2003
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
2-Dimensional Nuclear Magnetism of Adsorbed ^3He Thin Films
吸附^3He薄膜的二维核磁性
  • 批准号:
    05452048
  • 财政年份:
    1993
  • 资助金额:
    $ 30.04万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)

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