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M. Helm

Helmholtz-Zentrum Dresden-Rossendorf

60H-index
840Paper Count
1.4WCitation Count
Published Papers 271
Publication Date
Room-temperature alignment-free magnetometry with boron vacancies in hot-pressed hexagonal boron nitride
err2026-08-12
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errOAAI
errShuyu Wen; Raúl Coto; Peiting Wen; Slawomir Prucnal; Manfred Helm; Jun-Wei Luo; Shengqiang Zhou; Yonder Berencén
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Magnetization-controlled terahertz harmonic generation with grating and cavity structures
err2025-10-14
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errOAAI
errKoyun, Hatice Nur; Salikhov, Ruslan; Fowley, Ciaran; Kober, Steffen; Sontakkey, Nupur; Ilyakov, Igor; de Oliveira, Thales V. A. G.; Deinert, Jan-Christoph; Lindner, Aleksandra; Erbe, Artur; Fassbender, Jurgen; Helm, Manfred; Lindner, Jurgen; Winnerl, Stephan; Tielrooij, Klaas-Jan; Narkowicz, Ryszard; Kovalev, Sergey
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Determination of the effective carrier concentration in GaAs/AlGaAs core-shell nanowires using optical techniques
err2025-09-30
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PREAI
errSun, Yuxuan; Li, Rang; Dimakis, Emmanouil; Hubner, Rene; Erbe, Artur; Helm, Manfred; Zhou, Shengqiang; Prucnal, Slawomir
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Photon Emission Gain in Er-Doped Si Light-Emitting Diodes by Impact Excitation
err2025-09-23
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PREAI
errHuayou Liu; Jiayuan Zhao; Jing Zhang; Huan Liu; Jiajing He; Ulrich Kentsch; Shengqiang Zhou; Manfred Helm; Yaping Dan
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Highly efficient broadband THz mixing and upconversion with Dirac materials
err2025-09-01
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errTatiana A. Uaman Svetikova; Igor Ilyakov; Alexey Ponomaryov; Thales V. A. G. de Oliveira; Christian Berger; Lena Fürst; Florian Bayer; Jan-Christoph Deinert; Gulloo Lal Prajapati; Atiqa Arshad; Elena G. Novik; Alexej Pashkin; Manfred Helm; Stephan Winnerl; Hartmut Buhmann; Laurens W. Molenkamp; Tobias Kiessling; Sergey Kovalev; Georgy V. Astakhov
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Optical Properties of GePb Alloy Realized by Ion Beam Technology
err2025-05-13
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errOAAI
errWen, Shuyu; Zhu, Yuan-Hao; Steuer, Oliver; Shaikh, Mohd Saif; Prucnal, Slawomir; Huebner, Rene; Worbs, Andreas; He, Li; Helm, Manfred; Zhou, Shengqiang; Luo, Jun-Wei; Berencen, Yonder
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Optical Whispering-Gallery Mode as a Fingerprint of Magnetic Ordering in Van der Waals Layered CrSBr
err2025-04-24
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errPang, C; Li, R; Long, FC; Li, Y; Tang, M; Soll, A; Mosina, K; Sofer, Z; Jamshidi, K; Chen, F; Vaynzof, Y; Helm, M; Zhou, SQ; Ma, LB
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Ambipolar Transport in Phosphorus-Implanted WS2 Monolayers
err2025-02-14
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errOAAI
errLi, Yi; Yang, Jun; Long, Fangchao; Lin, Kaiman; Sun, Xiaoxiao; Kentsch, Ulrich; Lehmann, Sebastian; Nielsch, Kornelius; Erbe, Artur; Helm, Manfred; Zhou, Shengqiang; Prucnal, Slawomir
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High-Performance and Ultrafast Single Germanium Nanowire Photodetectors
err2025-01-30
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errEchresh, Ahmad; Shaikh, Mohd Saif; Catuneanu, Mircea Traian; Arora, Himani; Zhou, Shengqiang; Erbe, Artur; Helm, Manfred; Rebohle, Lars; Jamshidi, Kambiz; Berencen, Yonder; Georgiev, Yordan M.
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Ultrafast switching of trions in 2D materials by terahertz photons
err2024-09-23
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PREAI
errVenanzi, Tommaso; Cuccu, Marzia; Perea-Causin, Raul; Sun, Xiaoxiao; Brem, Samuel; Erkensten, Daniel; Taniguchi, Takashi; Watanabe, Kenji; Malic, Ermin; Helm, Manfred; Winnerl, Stephan; Chernikov, Alexey
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Hot-Electron Dynamics in a Semiconductor Nanowire under Intense THz Excitation
err2024-08-09
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errLuferau, Andrei; Obst, Maximilian; Winnerl, Stephan; Pashkin, Alexej; Kehr, Susanne C.; Dimakis, Emmanouil; Kaps, Felix G.; Hatem, Osama; Mavridou, Kalliopi; Eng, Lukas M.; Helm, Manfred
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Room-temperature telecom Si:Te PIN planar photodiodes: A study on optimizing device dimensions
err2024-08-01
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errShaikh, Mohd Saif; Yang, Junchun; Wen, Shuyu; Catuneanu, Mircea-Traian; Wang, Mao; Erbe, Artur; Prucnal, Slawomir; Rebohle, Lars; Helm, Manfred; Jamshidi, Kambiz; Zhou, Shengqiang; Berencen, Yonder
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At the Limit of Interfacial Sharpness in Nanowire Axial Heterostructures
err2024-07-06
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errOAAI
errHilliard, Donovan; Tauchnitz, Tina; Huebner, Rene; Vasileiadis, Isaak; Gkotinakos, Athanasios; Dimitrakopulos, George; Komninou, Philomela; Sun, Xiaoxiao; Winnerl, Stephan; Schneider, Harald; Helm, Manfred; Dimakis, Emmanouil
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P-Type ZnO Films Made by Atomic Layer Deposition and Ion Implantation
err2024-06-22
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errOAAI
errZhang, Guoxiu; Rebohle, Lars; Ganss, Fabian; Dawidowski, Wojciech; Guziewicz, Elzbieta; Koh, Jung-Hyuk; Helm, Manfred; Zhou, Shengqiang; Liu, Yufei; Prucnal, Slawomir
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Separated Electronic and Strain Interfaces in Core/Dual-Shell Nanowires: Unlocking the Potential of Strained GaAs for Applications Across Near-Infrared
err2024-04-12
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errSun, Xiaoxiao; Pashkin, Alexej; Moebus, Finn; Huebner, Rene; Winnerl, Stephan; Helm, Manfred; Dimakis, Emmanouil
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Control of the Hydroquinone/Benzoquinone Redox State in High-Mobility Semiconducting Conjugated Coordination Polymers
err2024-04-09
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errOAAI
errHuang, Xing; Li, Yang; Fu, Shuai; Ma, Chao; Lu, Yang; Wang, Mingchao; Zhang, Peng; Li, Ze; He, Feng; Huang, Chuanhui; Liao, Zhongquan; Zou, Ye; Zhou, Shengqiang; Helm, Manfred; Petkov, Petko St.; Wang, Hai I.; Bonn, Mischa; Li, Jian; Xu, Wei; Dong, Renhao; Feng, Xinliang
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Charge transport in n-type As- and Sb-hyperdoped Ge
err2024-04-03
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errOAAI
errWang, Mao; Shaikh, M. S.; Li, Yi; Prucnal, S.; Zuk, J.; Turek, M.; Drozdziel, A.; Pyszniak, K.; Rebohle, L.; Kentsch, U.; Helm, M.; Zhou, Shengqiang
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Parametric magnon transduction to spin qubits
err2024-03-22
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errOAAI
errBejarano, Mauricio; Goncalves, Francisco J. T.; Hache, Toni; Hollenbach, Michael; Heins, Christopher; Hula, Tobias; Koerber, Lukas; Heinze, Jakob; Berencen, Yonder; Helm, Manfred; Fassbender, Juergen; Astakhov, Georgy V.; Schultheiss, Helmut
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Coherent phonon and unconventional carriers in the magnetic kagome metal Fe3Sn2
err2024-03-21
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errOAAI
errGoncalves-Faria, Marcos V.; Pashkin, Alexej; Wang, Qi; Lei, Hechang C.; Winnerl, Stephan; Tsirlin, Alexander A.; Helm, Manfred; Uykur, Ece
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