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Magnetic resonance detection of individual proton spins using quantum reporters.
Sushkov, A O; Lovchinsky, I; Chisholm, N; Walsworth, R L; Park, H; Lukin, M D.
Afiliação
  • Sushkov AO; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA and Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Lovchinsky I; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Chisholm N; School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Walsworth RL; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA and Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138, USA and Center for Brain Science, Harvard University, Cambridge, Massachusetts 02138, USA.
  • Park H; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA and Department of Chemistry and Chemical Biology, Harvard University, Cambridge, Massachusetts 02138, USA and Broad Institute of MIT and Harvard, 7 Cambridge Center, Cambridge, Massachusetts 02142, USA.
  • Lukin MD; Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
Phys Rev Lett ; 113(19): 197601, 2014 Nov 07.
Article em En | MEDLINE | ID: mdl-25415924
ABSTRACT
We demonstrate a method of magnetic resonance imaging with single nuclear-spin sensitivity under ambient conditions. Our method employs isolated electronic-spin quantum bits (qubits) as magnetic resonance "reporters" on the surface of high purity diamond. These spin qubits are localized with nanometer-scale uncertainty, and their quantum state is coherently manipulated and measured optically via a proximal nitrogen-vacancy color center located a few nanometers below the diamond surface. This system is then used for sensing, coherent coupling, and imaging of individual proton spins on the diamond surface with angstrom resolution. Our approach may enable direct structural imaging of complex molecules that cannot be accessed from bulk studies. It realizes a new platform for probing novel materials, monitoring chemical reactions, and manipulation of complex systems on surfaces at a quantum level.
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Prótons / Imageamento por Ressonância Magnética / Pontos Quânticos Tipo de estudo: Diagnostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Estados Unidos
Buscar no Google
Adicionar na Minha BVS
Imprimir
XML
PubMed Links

Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Prótons / Imageamento por Ressonância Magnética / Pontos Quânticos Tipo de estudo: Diagnostic_studies Idioma: En Revista: Phys Rev Lett Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Estados Unidos