Bolyai Scholarship
2020. September 10.
From our Institute, Sándor Bordács, Gergő Fülöp and Endre Tóvári won the János Bolyai Research Scholarship of the Hungarian Academy of Sciences. Congratulations!
(via MTA)
News
Fundamental Research Grants 2020
2020. September 01.
Hungarian NSF just awarded early-stage and postdoctoral research grants for our colleauges Sándor Bordács, András Deák, and Endre Tóvári from BME Institute of Physics. Congratulations!
(via NKFIH)
Quantum bits in carbon nanotubes
2020. August 29.
One step toward telecom-compatible quantum communication: new experimental results from the BME Spin Spectroscopy research group published in ACS Nano.
Quantum bits (qubits) emitting and absorbing photons in the telecom wavelength window (1300-1600 nm) are a key requirement for quantum communication based on fibre optics. However, the best-known, most popular solid-state qubits, such as the nitrogen-vacancy center in diamond, are active in the optical wavelength window (380-740 nm). Therefore, the recent experimental results of the BME Spin Spectroscopy research group, characterising the interaction of electrons in carbon nanotubes and telecom-wavelength photons, might be of high importance to establish novel telecom-compatible qubits. The authors believe that their findings may foster the application of carbon nanotubes in quantum technology.
J. Palotás, M. Negyedi, S. Kollarics, A. Bojtor, P. Rohringer, T. Pichler, and F. Simon
Incidence of Quantum Confinement on Dark Triplet Excitons in Carbon Nanotubes
Web page of the research group: http://dept.physics.bme.hu/SpinSpectroscopy
Péter Makk in the HAS news
2020. August 19.
News portal of the Hungarian Academy of Sciences covers research results of our colleague Péter Makk, as one of the most successful recent recipients of the Bolyai Scholarship.
Article (in Hungarian): https://mta.hu/mta_hirei/bolyaisok-makk-peter-fizikus-110774
Home page of Péter Makk: http://dept.physics.bme.hu/Makk_Peter?language=en
Pro Urbe Újbuda Prize
2020. July 27.
YSR state in the news
2020. July 23.
New paper from the BME Nanoelectronics research group, published recently in Nature Communications, was covered in the news at bme.hu, mta.hu and the Hungarian news site Origo.
bme.hu: Műegyetemi szakemberek újabb nemzetközi sikere a kvantumtudományban
mta.hu: Lendületes kutatók mesterséges atomokra építenék a jövő kvantumszámítógépét
Origo: Magyar kutatók mesterséges atomokra építenék a jövő kvantumszámítógépét
Website of the Nanoelectronics group: http://nanoelectronics.physics.bme.hu/
Cubes
2020. July 19.
In their new paper, János Török and his colleagues provide support for the ancient idea of Plato that on Earth, "everything is built up from cubes". Also covered by index.hu.
Gábor Domokos, Douglas J. Jerolmack, Ferenc Kun, and János Török
Plato’s cube and the natural geometry of fragmentation
Proceedings of the National Academy of Sciences of the United States of America (PNAS)
published on July 17, 2020
https://doi.org/10.1073/pnas.2001037117
Report at index.hu (in Hungarian):
https://index.hu/techtud/2020/07/18/magyar_kutatok_fedeztek_fel_hogy_a_minecraftban_elunk/
Electrically controlled spin current
2020. July 19.
Researchers of our Institute have created electrically controlled spin currents in a graphene-based nanostructure. Published in Nano Letters, in collaboration with Chalmers.
Zoltán Kovács-Krausz, Anamul Md Hoque, Péter Makk, Bálint Szentpéteri, Mátyás Kocsis, Bálint Fülöp, Michael Vasilievich Yakushev, Tatyana Vladimirovna Kuznetsova, Oleg Evgenevich Tereshchenko, Konstantin Aleksandrovich Kokh, István Endre Lukács, Takashi Taniguchi, Kenji Watanabe, Saroj Prasad Dash, and Szabolcs Csonka
Electrically Controlled Spin Injection from Giant Rashba Spin–Orbit Conductor BiTeBr
Electrically Controlled Spin Injection from Giant Rashba Spin–Orbit Conductor BiTeBr
Nano Letters 20, 4782 (2020)
Home page of the BME Nanoelectronics research group: http://nanoelectronics.physics.bme.hu/
Material for future devices
2020. June 20.
Material for future batteries and spintronic devices
Lithium shortage is an arising challenge due to the ever-increasing demand for lithium-ion based batteries. The problem could be solved by replacing lithium with sodium, which is a lot more abundant on Earth. However, until now, no one has managed to dope graphite -- which is the most common electrode in batteries -- with sodium in large enough concentrations. The researchers of the Spin-spectroscopy group of the Institute of Physics report the successful synthesis of highly sodium-doped graphene. The result was achieved in an international collaboration, and published by ACS Nano:
B. G. Márkus, P. Szirmai, K. F. Edelthalhammer, P. Eckerlein, A. Hirsch, F. Hauke, N. M. Nemes, Julio C. Chacón-Torres, B. Náfrádi, L. Forró, T. Pichler, and F. Simon
Ultralong Spin Lifetime in Light Alkali Atom Doped Graphene
The spin lifetime of electrons is also very long in this material, thus making it a good candidate for future spintronic devices. The publication was also highlighted by news site of the collaborating partner, the Swiss Federal Institute of Technology in Lausanne (EPFL). EPFL has a long-standing and fruitful collaboration with BME, and according to the latest QS World University Rankings, is the world's 14th best university.
Graphene with sodium could make better batteries
https://actu.epfl.ch/news/graphene-with-sodium-could-make-better-batteries/
https://actu.epfl.ch/news/graphene-with-sodium-could-make-better-batteries/
Web page of the research group: http://dept.physics.bme.hu/SpinSpectroscopy
Momentum Grant for Balázs Pozsgai
2020. June 18.
Our colleague wins the Momentum grant of the Hungarian Academy of Sciences, with his proposal on interacting quantum systems. Balázs establishes his new group at ELTE.
(Via MTA)
