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Application of ultra slow muon beam for the surface and thin film

Research Project

Project/Area Number 16206005
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Thin film/Surface and interfacial physical properties
Research InstitutionHigh Energy Accelerator Research Organization

Principal Investigator

MIYAKE Yasuyuki  High Energy Accelerator Research Organization, Institute of Materials Structure Science, Professor (80209882)

Co-Investigator(Kenkyū-buntansha) MATSUDA Yasuyuki  RIKEN, Advanced Meson Science Laboratory, Senior Research Scientist (70321817)
PAVEL Bakule  高エネルギー加速器研究機構, 理化学研究所・岩崎先端中間子科学研究室, 協力研究員
IKEDO Yutaka  Toyota Central R&D Labs., Inc., Research Scientist (90415050)
SHIMOMURA Koichiro  High Energy Accelerator Research Organization(KEK), Institute of Materials Structure Science, Associate Lecturer (60242103)
NISHIYAMA Kusuo  High Energy Accelerator Research Organization(KEK), Institute of Materials Structure Science, Professor (50164611)
ARAKI Wakako  RIKEN, Advanced Meson Science Laboratory, Contract Researcher
牧村 俊介  大学共同利用機関法人高エネルギー加速器研究機構, 物質構造科学研究所, 技師補 (10391715)
永嶺 謙忠  高エネルギー加速器研究機構, 物質構造科学研究所, 教授 (50010947)
松本 貴裕  スタンレー電気, 研究開発センター, 主任研究員
Project Period (FY) 2004 – 2006
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥45,760,000 (Direct Cost: ¥35,200,000、Indirect Cost: ¥10,560,000)
Fiscal Year 2006: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2005: ¥15,340,000 (Direct Cost: ¥11,800,000、Indirect Cost: ¥3,540,000)
Fiscal Year 2004: ¥26,000,000 (Direct Cost: ¥20,000,000、Indirect Cost: ¥6,000,000)
Keywordsmuon / ultra slow muon / Thin Film / Lyman-alpha / μ^+SR / Resonant ionization Method / Perovskyte / accelerator / 偏極 / スピン / 低速ミュオン / 物性 / 水素原子 / 表面 / レーザー
Research Abstract

Spin polarised positive muons (1+) have a unique application in condensed matter physics as extremely sensitive magnetic micro-probes. Muons implanted into a host material can convey information about the local magnetic field distribution and fluctuations through rotation or relaxation of its spin. The change of muon spin distribution can be observed by measuring angular distribution of positrons which muons decay to. This technique is called 1SR, and have been used for various materials. Until now, 1SR experiments have been carried out by using surface muons, whose range is approximately 1.4mm in water and 0.3mm in iron respectively. In order to study magnetic properties of thin films or multi-layered structure with the depth sensitivity on nano-meter scale, muon beams whose kinetic energy can be varied from sub-keV to a few tens keV, with its uncertainty within several per cent, are required. We have been developing a technique1), which allows us to produce muons with kinetic energy … More as low as 0.2eV by resonant laser ionization of thermal muonium atoms (1+e_i). Since our first generation of lowenergy muons in 2001_2), we have increased the power of ionizing lasers, optimised both the focusing of the incident muon beam and the transport efficiency of low-energy muons after re-acceleration. This has resulted the yield of low-energy muons being increased by a few hundreds fold to 15 1+/sec at the sample position. Our measurement shows no saturation of the yield with the power of ionizing laser, suggesting further increase can be expected as laser system being improved. The characteristics of the low-energy muons were measured by a 2-dimensional position sensitive MCP. Observed beam profile at the sample position showed the muons were tightly focused to a spot of 3x4mm2 (FWHM), which is more than 100 times smaller than the size of conventional surface muon beam. The temporal width of the low-energy muon was less than lOnsec, which is 10 times narrower than that of surface muon beam. These results demonstrate that our method is ideally suited to pulsed muon sources, including the RIKEN-RAL muon facility. A compact 1SR spectrometer has been installed in the beam line. A solenoid-type magnet can apply a magnetic field of up to 700 Gauss at the sample position. Plastic scintillators cover around 80% of total solid angle from the sample position, maximising the positron signal from low-energy muons. A GM refrigerator is mounted to the spectrometer, enabling to cool a sample down to 10K. As a demonstration of the high time resolution of the low-energy muon beam, We have implanted 15keV muons into Si0_2 and observed the spin precession signal from triplet muonium in transverse magnetic field of 50 Gauss and 100 Gauss at room temperature. There was no observed reduction of asymmetry between two measurements, which implies that higher frequencies of up to 30MHz could be observed without a loss of asymmetry. As the first 1SR experiment using low-energy muon beam, we are considering to measure magnetic properties of a thin perovskite manganite film grown on SrTiO_3 substrates. Perovskite show varieties of interesting phenomena, like colossal magnetoresistance (CMR) effect, which have large potencial for device application. It is understood, though, that thephase diagram of thin perovskite manganite films are different from that of bulk crystals due to lattice strainform the substrates. The measurement of such will be a good demonstration of capability of loweenergy muons as a unique probe of magnetic properties for thin films and multi-layer system. Less

Report

(4 results)
  • 2006 Annual Research Report   Final Research Report Summary
  • 2005 Annual Research Report
  • 2004 Annual Research Report
  • Research Products

    (37 results)

All 2008 2007 2006 2005 2004 Other

All Journal Article (32 results) (of which Peer Reviewed: 6 results) Presentation (4 results) Remarks (1 results)

  • [Journal Article] Pulsed source of ultra low energy positive muons for near-surface μSR studies2008

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      Nucl. Instr. and Meth. in Phys. Res. B 266

      Pages: 335-346

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Prospects for Ultra Low Energy Muon Beam at J-PARC2008

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      IPS08 Abstract

      Pages: 1-1

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Pulsed source of ultra low energy positive muons for near-surface mSR studies2008

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      Nucl.Instr. And Meth. In Phys. Res. B266

      Pages: 335-346

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Prospects for U1tra Low Energy Muon Beam at J-PARC2008

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      IPS08 Abstract

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 超低速ミュオンスペクトロスコピー2007

    • Author(s)
      三宅康博
    • Journal Title

      原子核研究 Vol.52(Supplement2)

      Pages: 13-21

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 「超低速ミュオンスペクトロスコピー」2007

    • Author(s)
      三宅康博
    • Journal Title

      原子核研究(Supplement) 2, Vol.52

      Pages: 13-21

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 「理研 RAL ミュオン施設における低速ミュオンスペクトロメータの開発」2007

    • Author(s)
      松田恭幸 他
    • Journal Title

      物理学会予稿集 秋 9

      Pages: 21-24

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Pulsed source of ultra low-energy muons at RIKEN-RAL2006

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      Physica B 374-375

      Pages: 456-459

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Generation of low-energy muons with laser resonant ionization2006

    • Author(s)
      Y. Matsuda, et. al.
    • Journal Title

      Nuclear Physics B (Proc. Suppl. ) 155

      Pages: 346-348

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Development of low-energy muon beam line at the RIKEN-RAL muon facility2006

    • Author(s)
      Y. Matsuda, et. al.
    • Journal Title

      RIKEN Accel. Prog. Rep. 39

      Pages: 1-1

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Studies on this Nd_<0.5>Sr_<0.5>MnO_3 film using low-energy polarized muon beam2006

    • Author(s)
      Y. Matsuda, et. al.
    • Journal Title

      RIKEN Accel. Prog. Rep. 39

      Pages: 1-2

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Pulsed source of ultra low-energy muons at RIKEN-RAL2006

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      Physica B

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Generation of low-energy muons with laser resonant ionization2006

    • Author(s)
      Y. Matsuda, et. al.
    • Journal Title

      Nuclear Physics B(Proc. Suppl.) 155

      Pages: 346-348

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Development o low-energy muon beam line at the RIKEN-RAL muon facility2006

    • Author(s)
      Y. Matsuda, et. al.
    • Journal Title

      RIKEN Accel. Prog. Rep. 39

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Studies on this Nd_<0.5>Sr_<0.5>MnO_3 film using lowenergy polarized muon beam2006

    • Author(s)
      Y. Matsuda, et. al.
    • Journal Title

      RIKEN Accel. Prog. Rep. 39

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 「超低速ミュオんスペクトロスコピー」2006

    • Author(s)
      三宅 康博
    • Journal Title

      物理学会予稿集 春 3

      Pages: 27-30

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Development of low-energy beam line at the RIKEN-RAL muon facility2006

    • Author(s)
      Y.Matsuda, P.Bakule, Y.Ikedo, K.Ishida, M.Iwasaki, S.Makimura, T.Matsuzaki, Y.Miyake, K.Nagamine, K.Shimomura, P.Strasser
    • Journal Title

      RIKEN Accel. Prog. Rep.

      Pages: 39-39

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Pulsed source of ulatra low-energy muons at RIKEN-RAL2006

    • Author(s)
      P.Bakule, Y.Matsuda, M.Iwasaki, Y.Miyake, K.Nagamine, Y.Ikedo, K.Shimomura, P.Strasser
    • Journal Title

      Physica B 374-375

      Pages: 456-459

    • Related Report
      2006 Annual Research Report 2005 Annual Research Report
  • [Journal Article] Generation of low-energy muons with laser resonant ionization2006

    • Author(s)
      Y.Matsuda, P.Bakule, M.Iwasaki, T.Matsuzaki, Y.Miyake, Y.Ikedo, P.Strasser, K.Shimomura, S.Makimura, K.Nagamine
    • Journal Title

      Nuclear Physics B155

      Pages: 346-348

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Status of J-PARC muon science facility at the year of 20052006

    • Author(s)
      Y.Miyake, K.Nishiyama, N.Kawamura, S.Makimura, P.Strasser, K.Shimomura, J.L.Beveridge, R.Kadono, K.Fukuchi, N.Sato, K.Ueno, W.Higemoto, K.Ishida, T.Matsuzaki, I.Watanabe, Y.Matsuda, M.Iwasaki, S.N.Nakamura, J.Doonbos, K.Nagamine
    • Journal Title

      Physica B 374-375

      Pages: 484-487

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 物質生命科学実験施設 ミュオン科学研究施設2006

    • Author(s)
      三宅 康博
    • Journal Title

      原子核研究 50・4

      Pages: 69-76

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Development of low-energy beam line at the RIKEN-RAL muon facility2006

    • Author(s)
      Y.Matsuda, P.Bakule, Y.Ikedo, K.Ishida, M.Iwasaki, S.Makimura, T.Matsuzaki, Y.Miyake, K.Nagamine, K.Shimomura, P.Strasser
    • Journal Title

      RIKEN Accel.Prog.Rep. 39

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Generation of low-energy muons with laser resonant ionization2006

    • Author(s)
      Y.Matsuda, P.Bakule, M.Iwasaki, T.Matsuzaki, Y.Miyake, Y.Ikedo, P.Strasser, K.Shimomura.S.Makimura, K.Nagamine
    • Journal Title

      Nuclear Physics B (in press)

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Pulsed source of ultra low energy muons at RIKEN-RAL2005

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      Proceedings of the 10th International Conference on Muon Spin Rotation, Relaxation and Resonance

      Pages: 46-46

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] Pulsed source of ultra low energy muons at RIKEN-RAL2005

    • Author(s)
      P. Bakule, et. al.
    • Journal Title

      Proceedngs of the 10th Inernational Conference on Muon Spin Rotation, Relaxation and Resonance(uSR2005) 46

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 超低速ミュオンビームによって開かれる新しいμSRの世界2004

    • Author(s)
      松田恭幸、三宅康博
    • Journal Title

      固体物理 Vol.39 No.9

      Pages: 599-605

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Generation and applications of slow polarized muons2004

    • Author(s)
      P. Bakule and E. Morenzoni
    • Journal Title

      Contemporary Physics Vol.45 No.3

      Pages: 203-225

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
    • Peer Reviewed
  • [Journal Article] 「超低速ミュオンビームによって開かれる新しいuSR の世界」2004

    • Author(s)
      松田恭幸、三宅康博、
    • Journal Title

      個体物理 9, Vol.39

      Pages: 599-605

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Generation and applications of slow polarized muons2004

    • Author(s)
      P. Bakule E. Morenzoni
    • Journal Title

      Contemporary Physics 3, Vol.45

      Pages: 203-225

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 「理研 RAL ミュオン施設における低速ミュオンビーム生成(III)2004

    • Author(s)
      松田恭幸 他
    • Journal Title

      物理学会予稿集 秋 9

      Pages: 12-15

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] 超低速ミュオンビームによって開かれる新しいμSRの世界2004

    • Author(s)
      松田恭幸, 三宅 康博
    • Journal Title

      固体物理 Vol.39 No.9

      Pages: 599-605

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Recent development of a point positivemuon source at the RIKEN-RAL muon facility2004

    • Author(s)
      Y.Matsuda, P.Bakule, P.Strasser, K.Ishida, T.Matsuzaki, M.Iwasaki, Y.Miyake, K.Shimomura, S.Makimura
    • Journal Title

      AIP Conference Proceedings 721 "Neutrino Factories and Superbeams" (2004) 721

      Pages: 313-316

    • Related Report
      2004 Annual Research Report
  • [Presentation] 理研RALミュオン施設における超低速ミュオンスペクトロメータの開発」2007

    • Author(s)
      松田恭幸, 他
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Presentation] 超低速ミュオンスペクトロスコピー2006

    • Author(s)
      三宅 康博
    • Organizer
      日本物理学会
    • Place of Presentation
      愛媛大学
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Presentation] Laser Ionization of Muonium-Pulsed Source Ultra Low Energy Muons for Material Studies2006

    • Author(s)
      P. Bakule, et. al.
    • Organizer
      LAP 2006 International Conference on Laser Probing
    • Place of Presentation
      Vienna, Austria
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Presentation] 理研RALミュオン施設における低速ミュオンビーム生成(III)2004

    • Author(s)
      松田恭幸, 他
    • Organizer
      日本物理学会
    • Place of Presentation
      青森大学
    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Remarks] 「研究成果報告書概要(和文)」より

    • URL

      http://riken.nd.rl.ac.uk/

    • Related Report
      2006 Final Research Report Summary

URL: 

Published: 2004-04-01   Modified: 2016-04-21  

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