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After about 5 seconds, a thin film of metallic water has formed around the NaK drop, recognisable by the golden shimmer.
SCIENCE HIGHLIGHT
Water as a metal - detected at BESSY II Water only develops metallic properties under extreme pressure, such as exists deep inside of large planets. Now, an international collaboration has used a different approach to produce metallic water and documented the phase transition at BESSY II.
NEWS
Helmholtz anniversary exhibition opens in Potsdam Helmholtz, who was born in Potsdam, is considered one of the most influential natural scientists of his time. 31 August is the 200th anniversary of his birth and we celebrate this with an exhibition.
Fluoride additives increase the quality of the perovskite layer. At BESSY II a team has now explored the chemistry in detail.
SCIENCE HIGHLIGHT
Lead-free perovskite solar cells - How fluoride additives improve quality Using a clever combination of measurement methods at BESSY II and with NMR at the Humboldt-University Berlin, they were able to show that fluoride prevents the oxidation of tin and leads to a more homogeneous film formation with fewer defects.
Pouch cell Lab
NEWS
Battery research - SkaLiS project funded with 2.2 million euros The SkaLiS project aims to develop lithium-sulphur battery cells that are significantly more stable and powerful.
NEWS
Faster development of efficient solar cells and LEDs thanks to HZB spin-off Spin-off launches ready-to-use measurement instrument for optoelectronic devices
We now also offer virtual tours.
NEWS
Virtual visits at HZB and 360° Panorama We open our doors virtually for you and provide insights into the research labs at HZB.
Felicia Laberer is nominated as a canoeist for the 2021 Paralympics in Tokyo. She has been practicing the sport since 2018.
NEWS
Colleague Felicia Laberer takes part in the Paralympics! Our colleague Felicia Laberer has been selected to take part in the 2021 Paralympics in Tokyo. At HZB, the 20-year-old is currently an apprentice as an office management assistant.
Snapshots of the electronic structure of Sb acquired with femtosecond time-resolution. Note the changing spectral weight above the Fermi energy (EF).
SCIENCE HIGHLIGHT
Future information technologies: Topological materials for ultrafast spintronics Using time- and spin-resolved methods at BESSY II, the physicists explored how, after optical excitation, the complex interplay in the behavior of excited electrons in the bulk and on the surface results in unusual spin dynamics.
Inauguration of the new research building of the Helmholtz Institute Erlangen-Nuremberg for Renewable Energies (HI ERN) in Erlangen on Wednesday 14.07.2021
NEWS
Hi ERN - New headquarters of the Helmholtz Institute in Erlangen inaugurated Inauguration of Hi ERN new building: Another address for cutting-edge research inaugurated.
NEWS
DAPHNE - Data for Photon and Neutron Experiments 19 scientific institutions in Germany want to develop common standards for software, data exchange and data repositories to make such research data permanently available for further research. HZB is also participating.
In polar regions and at high altitudes the conversion of solar radiation into hydrogen could certainly be worthwhile.
SCIENCE HIGHLIGHT
Solar hydrogen for Antarctica - study shows advantages of thermally coupled... A team from the Helmholtz-Zentrum Berlin, Ulm University, and Heidelberg University has now investigated how hydrogen can be produced at the South Pole using sunlight, and which method is the most promising.
DESY researcher Wiebke Ewert shows on a so-called electron density map where a drug candidate (green) binds to the main protease of the corona virus (blue).
NEWS
Synchrotrons accelerate corona research Information by the German Committee Research with Synchrotron Radiation (KFS). Synchrotron light sources were originally built to study particles. Today, they are even used in the fight against COVID-19.
Cover of the Helmholtz Photon Science Roadmap.
NEWS
Tailwind for top research in Germany Tailwind for top research in Germany
VIPERLAB is funded under the European Programme for Research and Innovation Horizon 2020 (Grant No 101006715).
NEWS
VIPERLAB: EU project aims to boost perovskite solar industry in Europe HZB is coordinating a major European collaborative project to open up new opportunities for the European solar industry. The VIPERLAB project involves 15 renowned research institutions from Europe, as well as Switzerland and Great Britain.
Around the catalytic centre is a group of molecules, the gating domain, which can occupy two different positions.
SCIENCE HIGHLIGHT
BESSY II: universal mechanism of regulation in plant cells discovered In pioneering work, a German-Japanese research team at BESSY II has been able to determine the 3D structure of a metalloprotein that plays an important role as a catalyst in all plant cells. This involves the RNA editosome.
The launch event for the opening of the CatLab took place on 21 June. f.l.t.r.: Prof. Dr. Bernd Rech (HZB), Dr. Stefan Kaufmann (BMBF), Prof. Dr. Robert Schlögl (MPG)
NEWS
CatLab - Starting signal for a new generation of catalysts New joint research platform of the Helmholtz-Zentrum Berlin and the Max Planck Society starts operation
Using Small-Angle Scattering the early stages of structure formation in precursor solutions of perovskite solar cells have been explored.
SCIENCE HIGHLIGHT
Perovskite Solar Cells: Insights into early stages of structure formation Using small-angle scattering at the PTB X-ray beamline of BESSY II, an HZB team was able to experimentally investigate the colloidal chemistry of perovskite precursor solutions used for solar cell production.
The illustration shows two quantum dots "communicating" with each other by exchanging light.
SCIENCE HIGHLIGHT
How quantum dots can "talk" to each other A group at HZB has worked out theoretically how the communication between two quantum dots can be influenced with light. The team led by Annika Bande also shows ways to control the transfer of energy from one quantum dot to another.
Renske van der Veen has a lot of experience with ultrafast x-ray measurements.
NEWS
Renske van der Veen heads new department "Atomic Dynamics in Light-Energy... The chemist is an expert in time-resolved X-ray spectroscopy and electron microscopy and studies catalytic processes that enable the conversion of solar energy into chemical energy.
View into a MOF crystal exemplified by DUT-8. The massive pores are clearly discernible.
SCIENCE HIGHLIGHT
BESSY II: New insights into switchable MOF structures at the MX beamlines A team led by Prof. Dr. Stefan Kaskel, TU Dresden, has now investigated a special class of these MOFs at the MX beamlines of BESSY II. These are "switchable" MOFs that can react to external stimuli.
Orbital hybridization between organic and inorganic components of MAPI perovskite in ground-state geometry.
SCIENCE HIGHLIGHT
Perovskite solar cells: Hydrogen bonds measured The evaluation of X-ray measurements on methylammonium perovskite semiconductors now shows what role hydrogen bonds play in these materials.
Prof. Dr. Udo Heinemann works at the Max Delbrück Center for Molecular Medicine and initiated the setting up of the MX beamlines almost 20 years ago. His group contributed more than 250 structures to the Protein Data Bank.
INTERVIEW
“The gain in insights for structural biology has continued for five decades” Prof. Dr. Udo Heinemann works at the Max Delbrück Center for Molecular Medicine. n an interview, he speaks of the value added by the Protein Data Bank for research today.
NACHRICHT
Hörtipp: Genies – das Vermächtnis von Virchow und Helmholtz Wir möchten Ihnen eine interessante Folge des rbb-Podcast „Talking Science“ empfehlen: Die beiden Universalgenies Rudolf Virchow und Hermann von Helmholtz haben die Wissenschaft am Ende des 19. Jahrhunderts geprägt.
CIGS PV modules are integrated into the façade of the HZB testing hall in Berlin-Adlershof. A team analyses the yield and development of the modules under real conditions.
NEWS
Berlin Energy Days: Integrated photovoltaics - active areas for the energy... On Wednesday, 28 April 2021, experts from the HZB advisory office BAIP and other research institutions will present these options.
The first image taken by MYSTIIC: a standard image used to calibrate and measure the resolution of the new STXM.
NEWS
MYSTIIC at BESSY II: New X-ray microscope put into operation A new X-ray microscope has started operation at the Energy Materials in situ Lab (EMIL). It is a scanning transmission X-ray microscope designed to examine both sample surfaces and bulk sample.
From the measurement data, the team was able to determine that the xenon atoms first accumulate on the inner walls of the pores (state 1), before they fill them up (state 2). The X-ray beam penetrates the sample from below.
SCIENCE HIGHLIGHT
Direct observation of the ad- and desorption of guest atoms into a mesoporous... Batteries or catalysts are often porous structures with guest atoms. A team from HZB has observed at the PTB X-ray beamline for the first time directly how atoms migrate into a mesoporous model system.
The HZB team was able to determine the photoconductivity in the thin layers of rust using time-resolved microwave measurements; here is a picture of the measurement setup.
SCIENCE HIGHLIGHT
Green hydrogen: "Rust" as a photoanode and its limits Metal oxides such as rust are intriguing photoelectrode materials for the production of green hydrogen with sunlight. They are cheap and abundant, but in spite of decades of research, progress has been limited. Why? This study finds out.
NEWS
Virtual tours: Experience the HZB in 360 degrees! Despite Corona, we would like to provide you with insights into HZB. Simply follow our 360-degree tours and experience how we conduct research at the BESSY II accelerator.
Electron density map of the most antiviral active ingredient calpeptin (yellow) binding at the main protease.
SCIENCE HIGHLIGHT
X-ray lightsource at DESY identifies promising candidates for COVID drugs The MX team from HZB examined part of the measurement data with special analysis algorithms in order to identify suitable active substances.
An impression of the placoderm fish living 380 million years ago.
SCIENCE HIGHLIGHT
Tomography brings insights into the early evolution of bones A team of palaeontologists has analysed bones in early fish species an discovered bone cells with imaging methods by HZB scientists.
Movie showing the 3D crystal structure as a function of the cell modulation phase. (grey: Pb, brown: Br, black: C, blue: N; white: H)
SCIENCE HIGHLIGHT
New insights into the structure of organic-inorganic hybrid perovskites A team at HZB has used four-dimensional modelling to interpret structural data of methylammonium lead bromide, identifying incommensurable superstructures and modulations of the predominant structure.
Radio TEDDY presenter Leo hosts the "Experimentierkasten" on air and explains everything very simply so that everyone can join in.
NEWS
The Radio TEDDY experimental show with the HZB - tune in on Saturdays at 2.40... The Helmholtz-Zentrum Berlin and Radio TEDDY continue their successful cooperation. In the next round, we will provide ideas for six exciting experiments that the Radio TEDDY moderator Leo will conduct for the children in front of the radio.
NEWS
New issue of "lichtblick" online Many interesting topics await you again, including an interview on VSR-Demo, the results of the home office survey and much more.
A conductive AFM tip is used to scan the sample surface of an a-Si:H/c-Si interface under ultra-high vacuum on the nm scale, revealing the transport channels of the charge carriers via defects in the a-Si:H (red states in the magnified section).
SCIENCE HIGHLIGHT
Solar cells: Losses made visible on the nanoscale Now, for the first time, a team at Helmholtz-Zentrum Berlin (HZB) and the University of Utah, USA, has experimentally shown how such contact layers generate loss currents on the nanometre scale and what their physical origin is.
The new audit logo for long-time certified companies
NEWS
HZB re-certified as a compatibility-friendly company again Not only since the Corona pandemic, HZB has supported its employees in balancing professional and private tasks. Now, HZB has been awarded again: the certificate of the audit berufundfamilie has been confirmed for another three years.
A new instrument at BESSY II can be used to study molybdenum-sulfide thin films that are of interest as catalysts for solar hydrogen production. A light pulse triggers a phase transition from the semiconducting to the metallic phase and thus enhances the catalytic activity.
SCIENCE HIGHLIGHT
Instrument at BESSY II shows how light activates MoS2 layers to become catalysts A new instrument at the Helmholtz-Berlin Zentrum’s BESSY II now shows how a light pulse alters the surface properties of the thin film and activates the material as a catalyst.
Electron microscopy shows the graphene sample (gray) in which the helium beam has created a hole pattern so that the density varies periodically. This results in the superposition of vibrational modes and the emergence of a mechanical band gap. The frequency of this phononic system can be adjusted between 50 MHz and 217 MHz by mechanical tension.
SCIENCE HIGHLIGHT
New skills of Graphene: Tunable lattice vibrations A team at Freie Universität Berlin and Helmholtz-Zentrum Berlin showed a graphene-based phononic crystal whose resonant frequency can be tuned over a broad range and has used a helium-ion microscope to produce such a crystal.
Artificial and natural interzones on a tooth restored with non-degradable biomaterials are exposed to mechanical (left: stresses acting in compression, tension and shear) and biological challenges (right: bacterial attachment, penetration, and other interactions with biological media).
NEWS
Dental materials science: HZB is part of a research project funded by DFG Partners also include the Helmholtz-Zentrum Berlin (HZB), a research center for energy materials research, and the Max Planck Institute of Colloids and Interfaces (MPI-KG), which is located in Potsdam.
SCIENCE HIGHLIGHT
Accelerator physics: Experiment reveals new options for synchrotron light... Using this method, specialised synchrotron radiation sources would potentially be able to fill a gap in the arsenal of available light sources and offer a prototype for industrial applications. The work was published in Nature.
Overview: Number of patients treated with prontons at HZB from 1998 to 2020.
NEWS
The 4000th eye tumour patient treated with protons at HZB On 19 February 2021, the 4000th eye tumour patient received irradiation with protons, performed by a joint team from Helmholtz-Zentrum Berlin (HZB) and Charité - Universitätsmedizin Berlin.
The liquid solution of perovskite precursor, solvent, and additive flows from a slit-shaped nozzle onto the glass substrate being conveyed below.
SCIENCE HIGHLIGHT
The perfect recipe for efficient perovskite solar cells hey have improved a process for vertically depositing a solution made from an inexpensive perovskite solute onto a moving substrate below.
SCIENCE HIGHLIGHT
World's first video recording of a space-time crystal With the help of the scanning transmission X-ray microscope MAXYMUS at Bessy II at Helmholtz Zentrum Berlin, they were able to film the recurring periodic magnetization structure in a crystal.
NEWS
The HZB Graduate Center is here now The HZB "DR coordination” is now the HZB Graduate Center. Since the beginning of 2018, the DR coordination has been continuously expanding the offers and standards at the HZB for doctoral researchers and their advisors. The ideas and suggestions that ...
The electronic structure of complex molecules can be assessed by the method of resonant inelastic X-ray scattering (RIXS) at BESSY II.
SCIENCE HIGHLIGHT
An efficient tool to link X-ray experiments and ab initio theory The evaluation of RIXS data has so far required very long computing times. A team at BESSY II has now developed a new simulation method that greatly accelerates this evaluation.
TEM-Image of a α-SnWO4 film (pink) coated with 20 nm NiOx (green). At the interface of α-SnWO4 and NiOx an additional interfacial layer can be observed.
SCIENCE HIGHLIGHT
Solar hydrogen: Photoanodes made of α-SnWO4 promise high efficiencies Combined with theoretical methods, the measurement data reveal the presence of an oxide layer that impairs the efficiency of the photoanode.
Part of the IRIS research labs will be equipped for research on catalysts. Photo
NEWS
HZB and Humboldt University agree to set up a catalysis laboratory The IRIS research building offers optimal conditions for the research and development of complex material systems.
The phonons distribution is complex (upper curves) and then simplifies with time to a Gaussian bell curve (lower curve).
SCIENCE HIGHLIGHT
How complex oscillations in a quantum system simplify with time The experiment took place at the Vienna University of Technology, while the theoretical considerations were carried out by a joint research group from the Freie Universität Berlin and HZB.
NEWS
Call for Application “Helmholtz young investigator groups” We are looking for young excellent scientists looking for leadership! Apply by Feb. 28.
NACHRICHT
21.01.: Seminar zu klimaneutralem Planen, Bauen und Betreiben Photovoltaik im Gebäudekonzept integrieren | DGNB Seminarreihe Klimaneutrales Planen, Bauen und Betreiben 21.Januar 14:30 - 16:00 Uhr
NEWS
Corona Update 07.01.2021 / restriced operation HZB resumed user operation at BESSY II and CoreLabs under elevated safety precautions. We inform about our hygiene and distancing rules.
For the measurement campaign, two couplers were mounted in a horizontal test position under a local clean room tent.
NEWS
Accelerator Physics: HF-Couplers for bERLinPro prove resilient A first measurement campaign with optimised couplers at bERLinPro shows that the goal can be achieved.
NEWS
December issue of lichtblick Christmas is coming soon. Because we won’t have a get-together this time, cartoonist Jörg Hafemeister has brought Christmas to HZB in his “Wimmelbild”. You will discover many events on the poster that have accompanied us this year.
Martin Bluschke (MPI for Solid State Research, TU Berlin) receives the Ernst Eckhard Koch Prize from Mathias Richter for his outstanding dissertation.
NEWS
Ernst Eckhard Koch Prize and Innovation Award Synchrotron Radiation The Friends of HZB awarded the Ernst Eckhard Koch Prize to Dr. Martin Bluschke. The European Innovation Award for Synchrotron Radiation went to a team of four physicists for their work on the FERMI FEL at Elettra.
Two structure powder diffractometers next to each other: the high structure powder diffractometer SPODI (above) in the MLZ experimental hall will be neighbouring FIREPOD.
NEWS
Two neutron instruments from HZB move to Munich Now the Heinz Maier-Leibnitz Zentrum (MLZ) in Munich is taking over two scientific instruments from the HZB. The Federal Ministry of Science and Research (BMBF) is funding the relocation and adaptation.
The illustration visualizes the composition of the tandem solar cell.
SCIENCE HIGHLIGHT
Perovskite/silicon tandem solar cells on the threshold of 30% efficiency The tandem cell provided stable performance for 300 hours – even without encapsulation. To accomplish this, the group headed by Prof. Steve Albrecht investigated physical processes at the interfaces to improve the transport of the charge carriers.
1st Place: h4a Gessert + Randecker Architekten
NEWS
Architectural Design drafts for new CatLab Center awarded CatLab is to become an international beacon for the development of novel catalyst materials and green hydrogen. After an architectural competition four winning designs have now been selected, all sustainable and climate friendly.
NEWS
CatLab - A beacon for future hydrogen research With CatLab, the Helmholtz-Zentrum Berlin and two Max Planck Institutes are building a research platform for catalysis to achieve innovation advances in hydrogen research
Schematic illustration: the solvants (ink) are used to produce a thin film of polycrystalline perovskite.
SCIENCE HIGHLIGHT
Perovskite Solar Cells: paving the way for rational ink design for... For the production of perovskite thin-films for large photovoltaic modules often inks are used which contain a mixture of solvents. An HZB team at BESSY II has now analysed how the crystallisation processes within such mixtures.
The tomogram during the charging process shows the spatially resolved changes in the graphite electrode thickness of a rechargeable aluminium ion battery in a discharged and charged state.
SCIENCE HIGHLIGHT
User research at BESSY II: Graphite electrodes for rechargeable batteries... A team of the Technical University of Berlin has investigated at the EDDI Beamline of BESSY II how the morphology of the graphite electrodes changes reversibly during cycling (operando).
The distribution of local pH change (ΔpH) with time in an electrolyte containing 0.5 M K2SO4.
SCIENCE HIGHLIGHT
Green hydrogen: buoyancy-driven convection in the electrolyte A team at HZB has now presented a method to visualise convection in the electrolyte and to reliably simulate it in advance with a multiphysics model. The results can support the design and scaling up of this technology.
Nine samples with mixtures from CsPbBr2I (ink 1, left) to pure CsPbI3 (ink 2 right).
SCIENCE HIGHLIGHT
Solar cells: Mapping the landscape of Caesium based inorganic halide perovskites The study provides a quick and easy method to assess new compositions of perovskite materials in order to identify candidates for applications in thin film solar cells and optoelectronic devices.
The Fermi surface of multidomain GeTe (111) bulk single crystal measured with high-resolution angle-resolved photoemission at BESSY II.
SCIENCE HIGHLIGHT
Future Information Technologies: Germanium telluride's hidden properties at the... Germanium Telluride is an interesting candidate material for spintronic devices. At BESSY II, a Helmholtz-RSF Joint Research Group has revealed how the spin texture switches by ferroelectric polarization within individual nanodomains.
Structural model of highly porous a-Si:H, which was deposited very quickly, calculated based on measurement data. Densely ordered domains (DOD) are drawn in blue and cavities in red. The grey layer represents the disordered a-Si:H matrix. The round sections show the nanostructures enlarged to atomic resolution (below, Si atoms: grey, Si atoms on the surfaces of the voids: red; H: white)
SCIENCE HIGHLIGHT
Order in the disorder: density fluctuations in amorphous silicon discovered Such a-Si:H thin films have been used for decades in solar cells, TFT displays, and detectors. The results show that three different phases form within the amorphous matrix, which influences the quality and lifetime of the semiconductor layer.
Ultracold atoms in an optical lattice have been considered for quantum simulation.
SCIENCE HIGHLIGHT
Modelling shows which quantum systems are suitable for quantum simulations Theoretical physicists have demonstrated a way to simulate the quantum properties of complex solid state systems.
Scalable large area BiVO4 photoanode on FTO with Ni current collectors.
SCIENCE HIGHLIGHT
Solar hydrogen: Let’s consider the stability of photoelectrodes This is the first operando stability study of high-purity BiVO4 photoanodes during the photoelectrochemical oxygen evolution reaction (OER). It shows how the stability of photoelectrodes and catalysts can be compared and enhanced.
(a,b) Cryo-electron microscopy of the 2D-grating and the diffraction pattern of a section. (c-e) Magnification shows the 2D Pascal triangular pattern, with the inserted protein molecules.
SCIENCE HIGHLIGHT
Nanopatterns of proteins detected by cryo-electron microscopy A Team at HZB used cryo electron microscopy to detect regular, two-dimensional structures in the form of Pascal triangles, which a Chinese research group assembled from proteins in the laboratory for the first time.
Dr. Michael Tovar working at FALCON at the neutron Source BER II.
SCIENCE HIGHLIGHT
Perovskite materials: Neutrons show twinning in halide perovskites An investigation with the Laue camera at the neutron source BER II could now clarify that twinning occurs during crystallisation even at room temperature.
Christina Herold (right) accepted the award on behalf of the instructors at HZB. Together with the HZB, eight companies in Berlin were honoured by the employment agency for outstanding training.
NEWS
HZB is one of the best trainers in Berlin The Berlin-South Employment Agency has awarded the Helmholtz Centre Berlin for an innovative procedure to select applicants not only on the basis of their grades, but also to include communicative and social skills.
View into the experimental hall of the electron accelerator BESSY II at Helmholtz-Zentrum Berlin. Researchers carry out experiments at approximately 50 beamlines. The aim of the cooperation between the University of Kassel and the HZB is to use artificial intelligence to evaluate these data more efficiently.
NEWS
University of Kassel and HZB establish Joint Lab for the use of artificial... The University of Kassel and Helmholtz-Zentrum Berlin are setting up a joint laboratory for the use of artificial intelligence, where they will improve the analysis of data from experiments performed at BESSY II.
Dr. Raphael Jay has received this year's Carl-Ramsauer-Prize of the German Physical Society of Berlin.
NEWS
Carl-Ramsauer-Award for excellent dissertation Dr. Raphael Jay has received this year's Carl-Ramsauer-Prize of the German Physical Society of Berlin (DPGzB). The prize honours outstanding dissertations in physics and related fields and will be awarded during a festive colloquium on 18 November.
The participants after signing the cooperation agreement between IKZ and HZB in corona-conform distance: (from left to right) Dr. Andreas Popp (IKZ), Dr. Manuela Urban (FVB), Dr. Peter Gaal (IKZ), Prof. Dr. Catherine Dubourdieu (HZB), Prof. Dr. Thomas Schröder (IKZ), Prof. Dr. Bernd Rech (HZB), Thomas Frederking (HZB).
NEWS
HZB & IKZ bundle their competencies In crystalline energy and quantum materials On September 11, 2020, the Helmholtz-Zentrum Berlin (HZB) and the Leibniz-Institut für Kristallzüchtung (IKZ) signed a cooperation agreement to advance joint research on energy and quantum materials.
This is how the extension hall will look after the scaffolding has been removed. The blue modules enclose the building like a bracket.
NEWS
Solar-cell façade at HZB undergoes real-life testing The solar cladding not only meets part of the power requirement, but is also a realistic laboratory in and of itself: an HZB team is monitoring the long-term behaviour of the modules under varying environmental conditions.
"I am convinced that we must act on climate change to prevent dramatic developments," says Bernd Rech. The technologies are available, and research is already working on further options. You can start the video by clicking the picture.
NEWS
Climate Strike on Friday: HZB-Direktor welcomes engagement for climate... "I find it remarkable and encouraging that more and more citizens are joining the protests of the younger generation and calling for a turnaround for climate protection," says Prof. Bernd Rech, Scientific Director of the HZB.
Prof. Birgit Kanngießer heads a joint research group on X-ray methods, which is funded by TU Berlin and HZB.
NEWS
HZB and TU Berlin: New joint research group at BESSY II Birgit Kanngießer is setting up a joint research group to combine X-ray methods in laboratories and at large-scale facilities.
NEWS
HZB is member of the IGAFA initiative in Adlershof Since September 2020, the Helmholtz-Zentrum Berlin is again a member of IGAFA - the Initiative of Non-University Research Institutions in Adlershof.
Radio Teddy hat eine eigene Webseite für das Experiment der Woche eingerichtet, auf der die Videos gezeigt werden.
NACHRICHT
Radio Teddy berichtet über Experimente aus dem HZB Radio Teddy bringt ab sofort jeden Samstag um 14:40 kurze Reportagen aus dem HZB. Auf einer Webseite zum "Experiment der Woche" sind Videoreportagen zu sehen.
NEWS
HZB newspaper lichtblick published In the new lichtblick we look with Bernd Rech, spokesman of the scientific management az HZB, at the upcoming funding period of the Helmholtz Association, the POF IV.
Image of a silicon perovskite tandem solar cell
SCIENCE HIGHLIGHT
Silicon-perovskite tandem solar cells: New facilities pave the way for... Two new and innovative production lines for silicon perovskite tandem solar cells
The truck transporting the crane arrives early on Wednesday, September 2. Grey clouds over Adlershof, but that doesn't stop the team from setting up the crane.
NEWS
A new cooling tower flying to BESSY's roof Early September a huge crane near BESSY II could be seen from afar. A series of pictures for you to discover the exciting installation of the fourth cooling tower.
Periodic metasurfaces (grey) can enhance photon upconversion of nanoparticles (yellow) by more than three orders of magnitude.
SCIENCE HIGHLIGHT
Upconversion of photons at low light intensities – the key to new applications... Through upconversion the usable range of the light spectrum can be significantly expanded and is the key for future applications in photovoltaics or for the detection of biological substances.
Dr. Tristat Petit receives the ERC Starting Grant from the European Research Council for his research on a new class of materials for the storage of electrical energy, the so-called MXenes.
NEWS
New Materials for Energy Storage: ERC Starting Grant for Tristan Petit ERC Starting Grant for Tristan Petit. At BESSY II, the materials researcher is using this grant to investigate a new class of materials for storing electrical energy, the so-called MXenes.
Structure of TUB75: the entire MOF architecture (top) and its conductive inorganic unit (bottom)
SCIENCE HIGHLIGHT
Molecular architecture: New class of materials for tomorrow's energy storage TUB75 is the name of a newly created material from the class of metal-organic frameworks, or MOFs. It could open up new opportunities for energy storage.
Preparing the Undulator "castling": Next year, the undulator will be set up in a different location. So that it then goes quickly, the wiring is now being done.
NEWS
The shutdown at BESSY II: busy activity in the ring The storage ring BESSY II is down for nine weeks this year while urgent maintenance is being performed and new components are being installed. That sounds like a lot of down time, but there is a long list of work to be done.
Daniel Abou-Ras and his team identify the microscopic structure of a very good CIGS thin-film solar cell (top). It serves as a model for a computer simulation (below).
SCIENCE HIGHLIGHT
Research team provides concrete approach to improve the performance of CIGS... What causes losses in thin-film solar cells? For the first time, a team of researchers has been able to confirm an assumption - and provide information on how CIGS thin-film solar cells can be optimized.
Intelligent mathematical tools for the simulation of spin systems reduce the computing time required on supercomputers. Some of the fastest supercomputers in the world are currently located at Forschungszentrum Jülich (shown here is JUWELS).
SCIENCE HIGHLIGHT
Mathematical tool helps calculate properties of quantum materials more quickly A joint research group at Freie Universität Berlin and HZB has demonstrated a way to considerably reduce the computing time. This could accelerate the development of materials for energy-efficient IT technologies.
Integrated PV-EC device during performance tests in the outdoor test bed for realistic operating condition.
NEWS
Best electrolyser/photovoltaics combinations demonstrated in test fields One of the most promising ways to increase the availability of solar energy is to convert excess production into hydrogen. The PECSYS project has investigated the best possible material and technology combinations to facilitate such an operation.