Dr. Julian P. Klein

Profile

Academic positionPost Doc
Research fieldsExperimental Condensed Matter Physics
Keywordsdefects, condensed matter physics, high-resolution microscopy, quantum materials, 2D materials

Current contact address

CountryUnited States of America
CityCambridge
InstitutionMassachusetts Institute of Technology
InstituteDepartment of Material Science and Engineering, Room 8-202

Host during sponsorship

Prof. Dr. Carl V. ThompsonDepartment of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge
Start of initial sponsorship01/03/2020

Programme(s)

2019Feodor Lynen Research Fellowship Programme for Postdocs

Publications (partial selection)

2021Klein, Julian and Pham, Thang and Thomsen, Joachim Dahl and Curtis, Jonathan B and Lorke, Michael and Florian, Matthias and Steinhoff, Alexander and Wiscons, Ren A and Luxa, Jan and Sofer, Zdenek and others: Atomistic spin textures on-demand in the van der Waals layered magnet CrSBr. In: arXiv preprint arXiv:2107.00037, 2021,
2021Soubelet, Pedro and Klein, Julian and Wierzbowski, Jakob and Silvioli, Riccardo and Sigger, Florian and Stier, Andreas V and Gallo, Katia and Finley, Jonathan J: Charged exciton kinetics in monolayer MoSe2 near ferroelectric domain walls in periodically poled LiNbO3. In: Nano Letters, 21, 2021, 959--966
2021Klein, J and Hötger, A and Florian, M and Steinhoff, A and Delhomme, A and Taniguchi, T and Watanabe, K and Jahnke, F and Holleitner, AW and Potemski, M and others: Controlling exciton many-body states by the electric-field effect in monolayer MoS 2. In: Physical Review Research, 3, 2021, L022009
2021Zarubin, Vera and Reidy, Kate and Yu, Yang and Charaev, Ilya and Thomsen, Joachim Dahl and Klein, Julian and Ross, Frances: Controlling the Nucleation of Metal Nanoislands on Two-dimensional Materials via Focused Ion Beam Patterning. In: Microscopy and Microanalysis, 27, 2021, 342--345
2021Klein, Julian and Wierzbowski, Jakob and Soubelet, Pedro and Brumme, Thomas and Maschio, Lorenzo and Kuc, Agnieszka and Müller, Kai and Stier, Andreas V and Finley, Jonathan J: Electrical control of orbital and vibrational interlayer coupling in bi-and trilayer 2H-MoS $ \_2$. In: arXiv preprint arXiv:2106.11839, 2021,
2021Klein, Julian and Sigl, Lukas and Gyger, Samuel and Barthelmi, Katja and Florian, Matthias and Rey, Sergio and Taniguchi, Takashi and Watanabe, Kenji and Jahnke, Frank and Kastl, Christoph and others: Engineering the luminescence and generation of individual defect emitters in atomically thin MoS2. In: ACS Photonics, 8, 2021, 669--677
2021Hoetger, Alexander and Klein, Julian and Barthelmi, Katja and Sigl, Lukas and Sigger, Florian and Männer, Wolfgang and Gyger, Samuel and Florian, Matthias and Lorke, Michael and Jahnke, Frank and others: Gate-Switchable Arrays of Quantum Light Emitters in Contacted Monolayer MoS2 van der Waals Heterodevices. In: Nano Letters, 2021,
2021Tan, Shu Fen and Reidy, Kate and Lee, Serin and Klein, Julian and Schneider, Nicholas and Lee, Hae Yeon and Ross, Frances: Graphene--A Promising Electrode Material in Liquid Cell Electrochemistry. In: Microscopy and Microanalysis, 27, 2021, 46--48
2021Tan, Shu Fen and Reidy, Kate and Lee, Serin and Klein, Julian and Schneider, Nicholas M and Lee, Hae Yeon and Ross, Frances M: Multilayer Graphene—A Promising Electrode Material in Liquid Cell Electrochemistry. In: Advanced Functional Materials, 2021, 2104628
2021Tan, Shu Fen and Reidy, Kate and Klein, Julian and Pinkowitz, Ainsley and Wang, Baoming and Ross, Frances M: Real-time imaging of nanoscale electrochemical Ni etching under thermal conditions. In: Chemical Science, 12, 2021, 5259--5268
2021Mitterreiter, Elmar and Schuler, Bruno and Micevic, Ana and Hernang{\'o}mez-P{\'e}rez, Daniel and Barthelmi, Katja and Cochrane, Katherine A and Kiemle, Jonas and Sigger, Florian and Klein, Julian and Wong, Edward and others: The role of chalcogen vacancies for atomic defect emission in MoS2. In: Nature Communications, 12, 2021, 1--8
2021Klein, Julian and Florian, Matthias and Hötger, Alexander and Steinhoff, Alexander and Delhomme, Alex and Taniguchi, Takashi and Watanabe, Kenji and Jahnke, Frank and Holleitner, Alexander W and Potemski, Marek and others: Trions in MoS $ \_2 $ are quantum superpositions of intra-and intervalley spin states. In: arXiv preprint arXiv:2109.06281, 2021,
2020Barthelmi, K and Klein, J and Hötger, A and Sigl, L and Sigger, F and Mitterreiter, E and Rey, S and Gyger, Samuel and Lorke, M and Florian, M and others: Atomistic defects as single-photon emitters in atomically thin MoS2. In: Applied Physics Letters, 117, 2020, 070501
2020Klein, Julian and Hötger, Alexander and Florian, Matthias and Steinhoff, Alexander and Delhomme, Alex and Taniguchi, Takashi and Watanabe, Kenji and Jahnke, Frank and Holleitner, Alexander W and Potemski, Marek and others: Quantized many-body spin-valley textures in charge tunable monolayer MoS $ \_2$. In: arXiv preprint arXiv:2007.14441, 2020,
2020Sigl, Lukas and Sigger, Florian and Kronowetter, Fabian and Kiemle, Jonas and Klein, Julian and Watanabe, Kenji and Taniguchi, Takashi and Finley, Jonathan J and Wurstbauer, Ursula and Holleitner, Alexander W: Signatures of a degenerate many-body state of interlayer excitons in a van der Waals heterostack. In: Physical Review Research, 2, 2020, 042044
2019Klein, J and Kerelsky, A and Lorke, M and Florian, M and Sigger, F and Kiemle, J and Reuter, MC and Taniguchi, T and Watanabe, K and Finley, JJ and others: Impact of substrate induced band tail states on the electronic and optical properties of MoS2. In: Applied Physics Letters, 115, 2019, 261603
2019Klein, J and Lorke, M and Florian, M and Sigger, F and Sigl, L and Rey, S and Wierzbowski, J and Cerne, J and Müller, K and Mitterreiter, E and others: Site-selectively generated photon emitters in monolayer MoS 2 via local helium ion irradiation. In: Nature communications, 10, 2019, 1--8
2018Florian, Matthias and Hartmann, Malte and Steinhoff, Alexander and Klein, Julian and Holleitner, Alexander W and Finley, Jonathan J and Wehling, Tim O and Kaniber, Michael and Gies, Christopher: The dielectric impact of layer distances on exciton and trion binding energies in van der Waals heterostructures. In: Nano letters, 18, 2018, 2725--2732
2017Wierzbowski, Jakob and Klein, Julian and Sigger, Florian and Straubinger, Christian and Kremser, Malte and Taniguchi, Takashi and Watanabe, Kenji and Wurstbauer, Ursula and Holleitner, Alexander W and Kaniber, Michael and others: Direct exciton emission from atomically thin transition metal dichalcogenide heterostructures near the lifetime limit. In: Scientific reports, 7, 2017, 1--6
2017Klein, Julian and Wierzbowski, Jakob and Steinhoff, Alexander and Florian, Matthias and Rösner, M and Heimbach, Florian and Müller, K and Jahnke, Frank and Wehling, Tim O and Finley, Jonathan J and others: Electric-field switchable second-harmonic generation in bilayer MoS2 by inversion symmetry breaking. In: Nano letters, 17, 2017, 392--398
2017Miller, Bastian and Steinhoff, Alexander and Pano, Borja and Klein, Julian and Jahnke, Frank and Holleitner, Alexander and Wurstbauer, Ursula: Long-lived direct and indirect interlayer excitons in van der Waals heterostructures. In: Nano letters, 17, 2017, 5229--5237
2017Klein, J and Kuc, A and Nolinder, A and Altzschner, M and Wierzbowski, J and Sigger, F and Kreupl, F and Finley, JJ and Wurstbauer, U and Holleitner, AW and others: Robust valley polarization of helium ion modified atomically thin MoS2. In: 2D Materials, 5, 2017,
2016Klein, Julian and Wierzbowski, Jakob and Regler, Armin and Becker, Jonathan and Heimbach, Florian and Muller, K and Kaniber, Michael and Finley, Jonathan J: Stark effect spectroscopy of mono-and few-layer MoS2. In: Nano letters, 16, 2016, 1554--1559
2015Pozo-Zamudio, Del and Schwarz, S and Klein, J and Schofield, RC and Chekhovich, EA and Ceylan, O and Margapoti, E and Dmitriev, AI and Lashkarev, GV and Borisenko, DN and others: Photoluminescence and Raman investigation of stability of InSe and GaSe thin films. In: arXiv preprint arXiv:1506.05619, 2015,
2014Li, Juan and Wierzbowski, Jakob and Ceylan, Özlem and Klein, Julian and Nisic, Filippo and Anh, Tuan Le and Meggendorfer, Felix and Palma, Carlos-Andres and Dragonetti, Claudia and Barth, Johannes V and others: Tuning the optical emission of MoS2 nanosheets using proximal photoswitchable azobenzene molecules. In: Applied Physics Letters, 105, 2014, 241116