Special Issue "Scanning Probe Spectroscopy: From Radio- to Terahertz Frequencies"
A special issue of Nanomaterials (ISSN 2079-4991).
Deadline for manuscript submissions: closed (1 May 2019) | Viewed by 2707
Interests: radio-frequency scanning tunneling microscopy; electron and nuclear spin excitation in single molecules; functional molecules ferromagnet/semiconductor hetero-and nanostructures; magnetologic; stress and magnetostriction of thin epitaxial films; self organization of surfaces and heterostructures
With the increasing importance of nanosciences in daily life and technology, there is a strong demand for new investigation tools that have the precision needed for studying and controlling the quantum physical and chemical properties of nanoscale objects. Since the early 1980s, a variety of scanning probe techniques have been established as leading experimental tools in their fields of research. This has enabled the determination and control of, for example, the geometric, electronic, magnetic, and chemical structure of single-crystal surfaces and adsorbates, artificial quantum dots, nanowires and -islands with atomic-scale spatial resolution, and, more recently, even of single atoms and molecules.
The energy-resolution limit of the established scanning probe spectroscopy techniques—presently ≈0.1 meV—remains among the biggest challenges. Recent spectroscopic resonance experiments utilize either high-frequency AC voltages or THz-laser irradiation. The respective resonance energies range between about 40 neV and a few meV. These novel approaches have revolutionized the field of scanning probe spectroscopy by improving the energy resolution up to 104 times and the sensitivity down to the detection-limit of single spins. Recent studies demonstrate, e.g., the electron and nuclear spin resonance (ESR, NMR), as well as electron-nuclear double resonance (ENDOR) of single atoms and molecules, the excitation of mechanical vibrations in molecules, molecular chains and surface layers, or the detection of subsurface dopants in semiconductors.
This Special Issue of Nanomaterials attempts to cover the most recent advances in the field of scanning probe spectroscopy operating at resonance frequencies of MHz to THz. Submissions of regular as well as review articles are appreciated.
Prof. Dr. Reinhold Koch
Prof. Dr. Stefan Müllegger
Manuscript Submission Information
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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.
- Single-spin excitation and detection
- Mechanical excitation of nanoscale objects (atoms, molecules, clusters, surfaces)
- Noise spectroscopy and stochastic resonance
- (Sub)surface material characterization
- Advances of instrumentation