pith. sign in

Manfred Helm

Identifiers

  • name variant Manfred Helm 0.60 · backfill

Papers (78)

  1. Room-temperature alignment-free magnetometry with boron vacancies in hot-pressed hexagonal boron nitride quant-ph · 2025 · author #5
  2. Photon emission gain in Er doped Si light emitting diodes by impact excitation physics.optics · 2025 · author #8
  3. Optical spin readout of a silicon color center in the telecom L-band quant-ph · 2025 · author #5
  4. High-pressure modulation of breathing kagome lattice: Cascade of Lifshitz transitions and evolution of the electronic structure cond-mat.str-el · 2025 · author #14
  5. Simple THz phase retarder based on Mach-Zehnder interferometer for polarization control physics.optics · 2025 · author #4
  6. A high-performance all-silicon photodetector enabling telecom-wavelength detection at room temperature physics.optics · 2024 · author #8
  7. Structural changes in Ge1-xSnx and Si1-x-yGeySnx thin films on SOI substrates treated by pulse laser annealing cond-mat.mtrl-sci · 2024 · author #10
  8. Si1-x-yGeySnx alloy formation by Sn ion implantation and flash lamp annealing cond-mat.mtrl-sci · 2024 · author #12
  9. Probing the band splitting near the $\Gamma$ point in the van der Waals magnetic semiconductor CrSBr cond-mat.mes-hall · 2024 · author #8
  10. Hot electron dynamics in a semiconductor nanowire under intense THz excitation cond-mat.mes-hall · 2024 · author #11
  11. Intrinsic magnetic properties of the layered antiferromagnet CrSBr cond-mat.mtrl-sci · 2023 · author #7
  12. Strong Exciton-Phonon Coupling as a Fingerprint of Magnetic Ordering in van der Waals Layered CrSBr cond-mat.mtrl-sci · 2023 · author #10
  13. Possible Eliashberg-type superconductivity enhancement effects in a two-band superconductor MgB2 driven by narrow-band THz pulses cond-mat.supr-con · 2023 · author #14
  14. Ferromagnetic interlayer coupling in CrSBr crystals irradiated by ions cond-mat.mtrl-sci · 2023 · author #13
  15. On-chip lateral Si:Te PIN photodiodes for room-temperature detection in the telecom optical wavelength bands physics.optics · 2023 · author #10
  16. Ultrafast Relaxation Dynamics of Spin-Density Wave Order in BaFe$_2$As$_2$ under High Pressures cond-mat.supr-con · 2023 · author #7
  17. Active Sites of Te-hyperdoped Silicon by Hard X-ray Photoelectron Spectroscopy cond-mat.mtrl-sci · 2023 · author #12
  18. Extending the coherence time of spin defects in hBN enables advanced qubit control and quantum sensing quant-ph · 2022 · author #10
  19. On Curie temperature of B20-MnSi films cond-mat.mtrl-sci · 2022 · author #5
  20. Mid- and far-infrared localized surface plasmon resonances in chalcogen-hyperdoped silicon cond-mat.mtrl-sci · 2022 · author #14
  21. Emitter-Optomechanical Interaction in Ultra-High-Q hBN Nanocavities cond-mat.mes-hall · 2022 · author #6
  22. Ultra-Broadband Visible and Infrared Light Generation Driven by Far Infrared Light in the Broad Region from 8{\mu}m to 240{\mu}m physics.optics · 2022 · author #11
  23. Unveiling the Zero-Phonon Line of the Boron Vacancy Center by Cavity Enhanced Emission cond-mat.mes-hall · 2022 · author #6
  24. Terahertz control of photoluminescence emission in few-layer InSe cond-mat.mtrl-sci · 2022 · author #13
  25. A photonic platform hosting telecom photon emitters in silicon physics.optics · 2021 · author #12
  26. Chlorine doping of MoSe2 flakes by ion implantation cond-mat.mtrl-sci · 2021 · author #12
  27. B20-MnSi films grown on Si(100) substrates with magnetic skyrmion signature cond-mat.mtrl-sci · 2021 · author #8
  28. Pump-induced terahertz anisotropy in bilayer graphene cond-mat.mes-hall · 2021 · author #7
  29. Enhanced trion emission in monolayer MoSe2 by constructing a type-I van der Waals heterostructure cond-mat.mtrl-sci · 2021 · author #10
  30. Silicon-based Intermediate-band Infrared Photodetector realized by Te Hyperdoping physics.app-ph · 2020 · author #9
  31. Dissolution of donor-vacancy clusters in heavily doped n-type germanium cond-mat.mtrl-sci · 2020 · author #19
  32. Topological Hall effect in single thick SrRuO3 layers induced by defect engineering cond-mat.mtrl-sci · 2020 · author #11
  33. Nonlinear Charge Transport in InGaAs Nanowires at Terahertz Frequencies cond-mat.mes-hall · 2020 · author #5
  34. Photoluminescence dynamics in few-layer InSe cond-mat.mes-hall · 2020 · author #12
  35. p-type codoping effect in (Ga,Mn)As: Mn lattice location versus magnetic properties cond-mat.mtrl-sci · 2019 · author #8
  36. Hole compensation effect in III-Mn-V dilute ferromagnetic semiconductors cond-mat.mtrl-sci · 2019 · author #5
  37. Up to 70 THz bandwidth from implanted Ge photoconductive antenna excited by a fibre laser physics.optics · 2019 · author #8
  38. Superconductivity in single-crystalline, aluminum- and gallium-hyperdoped germanium cond-mat.mtrl-sci · 2019 · author #12
  39. Tuning the metal-insulator transition in epitaxial SrVO3 films by uniaxial strain cond-mat.mtrl-sci · 2019 · author #13
  40. Strain and Band-Gap Engineering in Ge-Sn Alloys via P Doping cond-mat.mtrl-sci · 2019 · author #21
  41. Epitaxial Mn5Ge3 (100) layer on Ge(100) substrates obtained by flash lamp annealing cond-mat.mtrl-sci · 2018 · author #8
  42. Carrier dynamics in graphene: ultrafast many-particle phenomena cond-mat.mes-hall · 2018 · author #12
  43. Defect-induced exchange bias in a single SrRuO3 layer cond-mat.mtrl-sci · 2018 · author #11
  44. Non-thermal nature of photo-induced insulator-to-metal transition in NbO$_2$ cond-mat.str-el · 2018 · author #5
  45. Nematicity of correlated systems driven by anisotropic chemical phase separation cond-mat.mtrl-sci · 2018 · author #12
  46. Tunable disorder and localization in the rare-earth nickelates cond-mat.mtrl-sci · 2018 · author #13
  47. CMOS-compatible controlled hyperdoping of silicon nanowires cond-mat.mtrl-sci · 2018 · author #14
  48. Electronic phase separation in insulating (Ga,Mn)As with low compensation: Super-paramagnetism and hopping conduction cond-mat.mtrl-sci · 2018 · author #7
  49. Carrier driven antiferromagnetism and exchange-bias in SrRuO3/CaRuO3 heterostructures cond-mat.mtrl-sci · 2018 · author #8
  50. Symmetry-breaking supercollisions in Landau-quantized graphene cond-mat.mtrl-sci · 2018 · author #9
  51. Interplay between localization and magnetism in (Ga,Mn)As and (In,Mn)As cond-mat.mtrl-sci · 2017 · author #6
  52. Towards diluted magnetism in TaAs cond-mat.mtrl-sci · 2017 · author #12
  53. Interaction between magnetic moments and itinerant carriers in d0 ferromagnetic SiC cond-mat.mtrl-sci · 2017 · author #14
  54. Unconventional double-bended saturation of optical transmission in graphene due to many-particle interactions cond-mat.mes-hall · 2016 · author #4
  55. Intrinsic diamagnetism in the Weyl semimetal TaAs cond-mat.mtrl-sci · 2015 · author #8
  56. Defect-induced magnetism in SiC: Interplay between ferromagnetism and paramagnetism cond-mat.mtrl-sci · 2015 · author #14
  57. Defect-induced magnetism in graphite through neutron irradiation cond-mat.mtrl-sci · 2014 · author #7
  58. Disentangling defect-induced ferromagnetism in SiC cond-mat.mtrl-sci · 2014 · author #11
  59. Structural and magnetic properties of irradiated SiC cond-mat.mtrl-sci · 2014 · author #10
  60. Anisotropy of excitation and relaxation of photogenerated Dirac electrons in graphene cond-mat.mes-hall · 2013 · author #8
  61. Ultrafast graphene-based broadband THz detector physics.optics · 2013 · author #7
  62. Reverse epitaxy of Ge: ordered and facetted surface patterns cond-mat.mes-hall · 2013 · author #3
  63. InP nanocrystals on silicon for optoelectronic applications cond-mat.mtrl-sci · 2012 · author #7
  64. Temperature stable 1.3 {\mu}m emission from GaAs cond-mat.mtrl-sci · 2012 · author #4
  65. Substrate effect on the resistive switching in BiFeO3 thin films cond-mat.mtrl-sci · 2012 · author #10
  66. Ferromagnetic InMnAs on InAs Prepared by Ion Implantation and Pulsed Laser Annealing cond-mat.mtrl-sci · 2012 · author #5
  67. Control of rectifying and resistive switching behavior in BiFeO3 thin films cond-mat.mtrl-sci · 2011 · author #8
  68. Nonvolatile bipolar resistive switching in Au/BiFeO3/Pt cond-mat.mtrl-sci · 2011 · author #4
  69. Reduced leakage current in BiFeO3 thin films with rectifying contacts cond-mat.mtrl-sci · 2011 · author #8
  70. Carrier dynamics in epitaxial graphene close to the Dirac point cond-mat.mtrl-sci · 2011 · author #13
  71. Decisive role of oxygen vacancy in ferroelectric vs. ferromagnetic Mn-doped BaTiO3 thin films cond-mat.mtrl-sci · 2011 · author #7
  72. The importance of hole concentration in establishing carrier-mediated ferromagnetism in Mn doped Ge cond-mat.mtrl-sci · 2010 · author #5
  73. Hysteresis in the magneto-transport of Manganese-doped Germanium: evidence for carrier-mediated ferromagnetism cond-mat.mtrl-sci · 2010 · author #8
  74. Memory effect of Mn$_5$Ge$_3$ nanomagnets embedded inside a Mn-diluted Ge matrix cond-mat.mtrl-sci · 2009 · author #6
  75. Anomalous Hall resistance in Ge:Mn systems with low Mn concentrations cond-mat.mtrl-sci · 2009 · author #3
  76. Spin-dependent transport in nanocomposite C:Co films cond-mat.mtrl-sci · 2009 · author #10
  77. Ferromagnetic, structurally disordered ZnO implanted with Co ions cond-mat.mtrl-sci · 2008 · author #8
  78. Room temperature ferromagnetism in carbon-implanted ZnO cond-mat.mtrl-sci · 2008 · author #9

Mentions

  • 2501.03721 #4 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2509.00734 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2412.05872 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2505.18438 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2502.07632 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2502.02123 #14 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2403.17195 #11 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2404.02927 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2406.09149 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2406.09129 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2308.04895 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2309.04778 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2304.08080 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2305.18791 #13 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2305.01374 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2308.00775 #14 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2303.13368 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2210.00150 #6 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2212.12826 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2210.03377 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2210.03373 #14 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2202.10980 #6 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2204.14043 #11 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2202.09156 #13 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2108.11183 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2112.02680 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2109.11880 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2109.11836 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2107.12128 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2011.14612 #9 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2010.14985 #19 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2004.11301 #11 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2004.00484 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 2003.12304 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1906.08028 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1904.06629 #13 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1908.09509 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1907.05160 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1904.06865 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1806.07986 #13 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1809.07146 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1901.01721 #21 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1810.09809 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1807.05966 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1810.06303 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1809.11035 #11 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1802.07099 #14 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1802.07056 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1802.05869 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1801.08463 #9 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1709.05043 #6 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1709.04605 #12 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1607.00870 #4 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1705.07793 #14 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1510.08497 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1501.01096 #14 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1303.5133 #3 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1211.1824 #4 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1410.1308 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1312.5860 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1401.5576 #11 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1401.3543 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1305.5342 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1211.2373 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1209.5868 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1209.5865 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1105.2518 #13 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1108.3454 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1105.3827 #4 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1105.3825 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1104.5103 #7 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1005.4325 #5 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1004.0568 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 0910.4095 #6 · arxiv_oai · confidence 0.70 Manfred Helm
  • 0910.1981 #3 · arxiv_oai · confidence 0.70 Manfred Helm
  • 0908.0127 #10 · arxiv_oai · confidence 0.70 Manfred Helm
  • 0812.2580 #8 · arxiv_oai · confidence 0.70 Manfred Helm
  • 0811.3487 #9 · arxiv_oai · confidence 0.70 Manfred Helm
  • 1510.08497 #8 · backfill · confidence 0.70 Manfred Helm
  • 1501.01096 #14 · backfill · confidence 0.70 Manfred Helm
  • 1410.1308 #7 · backfill · confidence 0.70 Manfred Helm
  • 1401.5576 #11 · backfill · confidence 0.70 Manfred Helm
  • 1401.3543 #10 · backfill · confidence 0.70 Manfred Helm
  • 1312.5860 #8 · backfill · confidence 0.70 Manfred Helm
  • 1305.5342 #7 · backfill · confidence 0.70 Manfred Helm
  • 1303.5133 #3 · backfill · confidence 0.70 Manfred Helm
  • 1211.2373 #7 · backfill · confidence 0.70 Manfred Helm
  • 1211.1824 #4 · backfill · confidence 0.70 Manfred Helm
  • 1209.5868 #10 · backfill · confidence 0.70 Manfred Helm
  • 1209.5865 #5 · backfill · confidence 0.70 Manfred Helm
  • 1108.3454 #8 · backfill · confidence 0.70 Manfred Helm
  • 1105.3827 #4 · backfill · confidence 0.70 Manfred Helm
  • 1105.3825 #8 · backfill · confidence 0.70 Manfred Helm
  • 1105.2518 #13 · backfill · confidence 0.70 Manfred Helm
  • 1104.5103 #7 · backfill · confidence 0.70 Manfred Helm
  • 1005.4325 #5 · backfill · confidence 0.70 Manfred Helm
  • 1004.0568 #8 · backfill · confidence 0.70 Manfred Helm
  • 0910.4095 #6 · backfill · confidence 0.70 Manfred Helm
  • 0910.1981 #3 · backfill · confidence 0.70 Manfred Helm
  • 0908.0127 #10 · backfill · confidence 0.70 Manfred Helm

Frequent Coauthors