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M. Helm

Identifiers

  • name variant M. Helm 0.60 · backfill

Papers (42)

  1. Telecom-band quantum memory with chlorine defects in silicon carbide quant-ph · 2026 · author #4
  2. Thermal stability of Te-hyperdoped Si: Atomic-scale correlation of the structural, electrical and optical properties physics.app-ph · 2019 · author #7
  3. Breaking the doping limit in silicon by deep impurities cond-mat.mtrl-sci · 2018 · author #11
  4. Extended Infrared Photoresponse in Te-Hyperdoped Si at Room Temperature cond-mat.mtrl-sci · 2018 · author #13
  5. Slow noncollinear Coulomb scattering in the vicinity of the Dirac point in graphene cond-mat.mes-hall · 2018 · author #11
  6. Up to 40 % reduction of the GaAs band gap energy via strain engineering in core/shell nanowires cond-mat.mtrl-sci · 2018 · author #9
  7. Infrared nanoscopy down to liquid helium temperatures physics.ins-det · 2017 · author #8
  8. Realizing the insulator-to-metal transition in Se-hyperdoped Si via non-equilibrium material processing cond-mat.mtrl-sci · 2017 · author #11
  9. Monovacancy paramagnetism in neutron-irradiated graphite probed by $^{13}$C NMR cond-mat.mtrl-sci · 2017 · author #7
  10. Doubly dressed bosons - exciton-polaritons in a strong terahertz field cond-mat.quant-gas · 2017 · author #13
  11. Defect-induced magnetism in SiC probed by nuclear magnetic resonance cond-mat.mtrl-sci · 2016 · author #6
  12. Melting the Superconducting State in the Electron Doped Cuprate Pr$_{1.85}% $Ce$_{0.15}$CuO$_{4-\delta}$ with Intense near-infrared and Terahertz Pulses cond-mat.supr-con · 2016 · author #6
  13. Precise tuning of the Curie temperature of (Ga,Mn)As-based magnetic semiconductors by hole compensation: Support for valence-band ferromagnetism cond-mat.mtrl-sci · 2016 · author #14
  14. Bandgap narrowing in Mn doped GaAs probed by room-temperature photoluminescence cond-mat.mtrl-sci · 2015 · author #13
  15. High Curie temperature and perpendicular magnetic anisotropy in homoepitaxial InMnAs films cond-mat.mtrl-sci · 2015 · author #11
  16. Carbon p Electron Ferromagnetism in Silicon Carbide cond-mat.mtrl-sci · 2015 · author #13
  17. Hyperdoping silicon with selenium: solid vs. liquid phase epitaxy cond-mat.mtrl-sci · 2015 · author #9
  18. A comprehensive study of the magnetic, structural and transport properties of the III-V ferromagnetic semiconductor InMnP cond-mat.mtrl-sci · 2015 · author #10
  19. Ferromagnetism and impurity band in a new magnetic semiconductor: InMnP cond-mat.mtrl-sci · 2014 · author #4
  20. Origin and enhancement of the 1.3 um luminescence from GaAs treated by ion-implantation and flash lamp annealing cond-mat.mtrl-sci · 2014 · author #4
  21. Magnetic control of Coulomb scattering and terahertz transitions among excitons cond-mat.mes-hall · 2013 · author #4
  22. Systematic investigation of THz-induced excitonic Rabi splitting cond-mat.mtrl-sci · 2013 · author #5
  23. Using x-ray diffraction to identify precipitates in transition metal doped semiconductors cond-mat.mtrl-sci · 2013 · author #6
  24. Magnetic Mn5Ge3 nanocrystals embedded in crystalline Ge: a magnet/semiconductor hybrid synthesized by ion implantation cond-mat.mtrl-sci · 2012 · author #10
  25. Universal phase relation between longitudinal and transverse fields observed in focused terahertz beams physics.optics · 2012 · author #5
  26. Optical study of superconducting Ga-rich layers in silicon cond-mat.supr-con · 2012 · author #8
  27. Observation of Coulomb-Assisted Dipole-Forbidden Intraexciton Transitions in Semiconductors cond-mat.mes-hall · 2012 · author #7
  28. Near-field examination of perovskite-based superlenses and superlens-enhanced probe-object coupling physics.optics · 2011 · author #11
  29. Tailoring the magnetism of GaMnAs films by ion irradiation cond-mat.mtrl-sci · 2010 · author #10
  30. Landau levels and magnetopolaron effect in dilute GaAs:N cond-mat.mtrl-sci · 2010 · author #2
  31. Spinel ferrite nanocrystals embedded inside ZnO: magnetic, electronic and magneto-transport properties cond-mat.mtrl-sci · 2009 · author #8
  32. MnSi$_{1.7}$ nanoparticles embedded in Si: Superparamagnetism with a collective behavior cond-mat.mtrl-sci · 2009 · author #4
  33. Crystallographically oriented Co and Ni nanocrystals inside ZnO formed by ion implantation and postannealing cond-mat.mtrl-sci · 2009 · author #6
  34. Fe-implanted ZnO: Magnetic precipitates versus dilution cond-mat.mtrl-sci · 2009 · author #8
  35. Suppression of secondary phase formation in Fe implanted ZnO single crystals cond-mat.mtrl-sci · 2009 · author #6
  36. Ferromagnetic transition metal implanted ZnO: a diluted magnetic semiconductor? cond-mat.mtrl-sci · 2009 · author #7
  37. Origin of magnetic moments in defective TiO2 single crystals cond-mat.mtrl-sci · 2009 · author #6
  38. Structural and magnetic properties of Mn-implanted Si cond-mat.mtrl-sci · 2006 · author #10
  39. Crystallographically oriented magnetic ZnFe2O4 nanoparticles synthesized by Fe implantation into ZnO cond-mat.mtrl-sci · 2006 · author #8
  40. Absence of ferromagnetism in V-implanted ZnO single crystals cond-mat.mtrl-sci · 2006 · author #6
  41. Crystalline Ni nanoparticles as the origin of ferromagnetism in Ni implanted ZnO crystals cond-mat.mtrl-sci · 2006 · author #6
  42. Fe implanted ferromagnetic ZnO cond-mat.mtrl-sci · 2005 · author #8

Mentions

  • 1404.2023 #4 · backfill · confidence 0.70 M. Helm
  • 1401.3540 #4 · backfill · confidence 0.70 M. Helm
  • 1309.6426 #4 · backfill · confidence 0.70 M. Helm
  • 1305.7084 #5 · backfill · confidence 0.70 M. Helm
  • 1301.0100 #6 · backfill · confidence 0.70 M. Helm
  • 1211.2070 #10 · backfill · confidence 0.70 M. Helm
  • 1208.4482 #5 · backfill · confidence 0.70 M. Helm
  • 1206.2515 #8 · backfill · confidence 0.70 M. Helm
  • 1203.3994 #7 · backfill · confidence 0.70 M. Helm
  • 1103.5032 #11 · backfill · confidence 0.70 M. Helm
  • 1012.1678 #10 · backfill · confidence 0.70 M. Helm
  • 1005.1412 #2 · backfill · confidence 0.70 M. Helm
  • 0908.3488 #8 · backfill · confidence 0.70 M. Helm
  • 0908.2906 #4 · backfill · confidence 0.70 M. Helm
  • 0908.0458 #6 · backfill · confidence 0.70 M. Helm
  • 0908.0405 #8 · backfill · confidence 0.70 M. Helm
  • 0908.0396 #6 · backfill · confidence 0.70 M. Helm
  • 0907.3536 #7 · backfill · confidence 0.70 M. Helm
  • 0902.2092 #6 · backfill · confidence 0.70 M. Helm

Frequent Coauthors