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Kinetic Control of Ultrafast Transient Liquid Assisted Growth of Solution-Derived YBa2Cu3O7-x Superconducting Films

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Título : Kinetic Control of Ultrafast Transient Liquid Assisted Growth of Solution-Derived YBa2Cu3O7-x Superconducting Films
Autores: Silvia Rasi, Albert Queraltó, Juri Banchewski, Lavinia Saltarelli, Diana Garcia, Adrià Pacheco, Kapil Gupta, Aiswarya Kethamkuzhi, Laia Soler, Julia Jareño, Susagna Ricart, Jordi Farjas, Pere Roura-Grabulosa, Cristian Mocuta, Xavier Obradors, Teresa Puig
Citation and DOI:

Adv. Sci. 2022, 2203834. 
DOI: https://doi.org/10.1002/advs.202203834
PlumX: Kinetic Control of Ultrafast Transient Liquid Assisted Growth of Solution-Derived YBa2Cu3O7-x Superconducting Films
Transient liquid assisted growth (TLAG) is an ultrafast non-equilibrium growth process mainly governed by kinetic parameters, which are only accessible through fast in situ characterizations. In situ synchrotron X-ray diffraction (XRD) analysis and in situ electrical resistivity measurements are used to derive kinetic diagrams of YBa2Cu3O7−x (YBCO) superconducting films prepared via TLAG and to reveal the unique peculiarities of the process. In particular, diagrams for the phase evolution and the YBCO growth rates have been built for the two TLAG routes. It is shown that TLAG transient liquids can be obtained upon the melting of two barium cuprate phases (and not just one), differentiated by their copper oxidation state.

Superconductors

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Phonon Transport in GaAs and InAs Twinning Superlattices

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Título : Phonon Transport in GaAs and InAs Twinning Superlattices
Autores: Kim López-Güell, Nicolas Forrer, Xavier Cartoixà, Ilaria Zardo, and Riccardo Rurali*
Citation and DOI:
J. Phys. Chem. C 2022, 126, 39, 16851–16858
DOI: https://doi.org/10.1021/acs.jpcc.2c04859
PlumX: Phonon Transport in GaAs and InAs Twinning Superlattices
Crystal phase engineering gives access to new types of periodic nanostructures, such as the so-called twinning superlattices, where the motif of the superlattice is determined by a periodic rotation of the crystal. Here, by means of atomistic nonequilibrium molecular dynamics calculations, we study to what extent these periodic systems can be used to alter phonon transport in a controlled way, similar to what has been predicted and observed in conventional superlattices based on heterointerfaces.

Energy

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Welcome Xueliang Lyu at ICMAB!

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Nombre y apellidos: Xueliang Lyu
My name is Xueliang LV, a first-year PhD student at ICMAB, majoring in materials science. In the follow four years, I will complete my PhD studies under the supervision of florencio and Fina focusing on the ferroelectric properties of HfO2 and its applications, in my free time, I like mountain climbing and badminton very much

China

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Welcome Anna Xiu at ICMAB!

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Nombre y apellidos: Anna Xiu
Hello everybody! I am Anna Xiu from Barcelona, a Nanoscience and Nanotechnology UAB student, who will be doing my bachelor's thesis in the Nanointerfaces group. I am looking forward to learning about such an important topic as energy storage and making the most out this stay by getting new knowledge and meeting fellow colleagues. Hope to see you around the ICMAB!

China

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Welcome Grazia Raciti at ICMAB!

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Nombre y apellidos: Grazia Raciti
Hi All, I'm Grazia from Sicily.
I'm a third-year PhD student at the University of Basel in Switzerland. My project is focused on investigating the hydrodynamic regime in graphene and 2DEGs using ultrafast Raman spectroscopy. In the next 4 months, I'm excited to join the research group of Sebastian Reparaz to study the thermal properties of nanostructures by exploiting novel techniques based on contactless optical spectroscopy.

See you at ICMAB!

Italy

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Control of up-to-down/down-to-up light-induced ferroelectric polarization reversal

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Título : Control of up-to-down/down-to-up light-induced ferroelectric polarization reversal
Autores: Huan Tan, Gustavo Castro, Jike Lyu, Pablo Loza-Alvarez, Florencio Sánchez, Josep Fontcuberta and Ignasi Fina
Citation and DOI: Mater. Horiz., 2022,9, 2345-2352
DOI: https://doi.org/10.1039/D2MH00644H
PlumX: Control of up-to-down/down-to-up light-induced ferroelectric polarization reversal
Light control of ferroelectric polarization is of interest for the exploitation of ferroelectric thin films in ultrafast data storage and logic functionalities. The rapidly oscillating electric field of light absorbed in a ferroelectric layer can suppress its polarization but cannot selectively reverse its direction. Here we take advantage of the built-in asymmetry at ferroelectric/electrode interfaces to break the up/down symmetry in uniaxial ferroelectrics to promote polarization reversal under illumination. It is shown that appropriate ferroelectric/metal structures allow the direction of the imprint electric field to be selected, which is instrumental for polarization reversal. This ability is further exploited by demonstrating the optical control of the resistance states in a ferroelectric capacitor.

Oxides

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Open PhD positions within the Severo Ochoa programme 2022 at ICMAB

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Deadline: 2022-10-30

The Ministry of Science and Innovation, will open soon the call for the «2022 Severo Ochoa PhD contracts”. Four positions correspond to the ICMAB-CSIC.

We are opening this call to pre-select the best candidates among students of all nationalities offering them the opportunity to carry out their doctoral thesis.

The best-ranked candidates will have priority in choosing which ICMAB-CSIC research project would like to join. 

Feel free to contact our researchers if you would like to know more information about the projects, and apply before the deadline, 30 October 2022. 

Closed Jobs

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Tingfeng Song at ICMAB | ICMAB-CSIC

Congratulations Dr. Tingfeng Song, new ICMAB graduate!

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Date : 2022-09-19

Doctor Tingfeng Song, from the Multifunctional Thin Films and Complex Structures (MULFOX) Group at ICMAB-CSIC, defended his PhD thesis titled "Doping and interface effects on the ferroelectric properties of epitaxial HfO2-based thin films" on Monday, 19 September 2022 at ICMAB.

PhD Congrats

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Surface Lattice Plasmon Resonances by Direct In Situ Substrate Growth of Gold Nanoparticles in Ordered Arrays

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Título : Surface Lattice Plasmon Resonances by Direct In Situ Substrate Growth of Gold Nanoparticles in Ordered Arrays
Autores: Gail A. Vinnacombe-Willson, Ylli Conti,Steven J. Jonas, Paul S. Weiss, Agustín Mihi, Leonardo Scarabelli
Citation and DOI: Adv. Mater. 2022, 34, 2205330. 
DOI: https://doi.org/10.1002/adma.202205330
PlumX: Surface Lattice Plasmon Resonances by Direct In Situ Substrate Growth of Gold Nanoparticles in Ordered Arrays
Precise arrangements of plasmonic nanoparticles on substrates are important for designing optoelectronics, sensors and metamaterials with rational electronic, optical and magnetic properties. Bottom-up synthesis offers unmatched control over morphology and optical response of individual plasmonic building blocks. Usually, the incorporation of nanoparticles made by bottom-up wet chemistry starts from batch synthesis of colloids, which requires time-consuming and hard-to-scale steps like ligand exchange and self-assembly.

Energy

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Welcome Jorik Waeterschoot at ICMAB!

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Nombre y apellidos: Jorik Waeterschoot
Hi, I am Jorik. I am a third year PhD student in Belgium looking into the creation of artificial red blood cells. For the upcoming six months I will join the research group of Arántzazu González Campo to investigate the biofunctionalisation of silica nanoparticles as a tool for creating artificial cells.

In my free time I like being active going from trailrunning to kitesurfing.

Belgium

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Zhen Li, with supervisor José Giner, and PhD Committee at the UAB | ICMAB-CSIC

Congratulations Dr. Zhen Li, new ICMAB graduate!

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Date : 2022-09-23

Doctor Zhen Li, from the Inorganic Materials & Catalysis (LMI) Group at ICMAB-CSIC, defended his PhD thesis titled "Rational design and synthesis of water stable Metal Organic Frameworks using meta carborane based bidentate ligands and their singularity driven applications" on Friday, 23 September 2022 at ICMAB.

PhD Congrats

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Sebastián Reparaz, Minghua Kong, M. Isabel Alonso | ICMAB-CSIC

Congratulations Dr. Minghua Kong, new ICMAB graduate!

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Date : 2022-09-20

Doctor Minghua Kong, from the Nanostructured Materials for Optoelectronics and Energy Harvesting (NANOPTO) Group at ICMAB-CSIC, defended her PhD thesis titled "Thermal Conductivity and Advanced Optical Characterization of PEDOT:PSS Based Films" on Tuesday, 20 September 2022 at ICMAB.

PhD Congrats

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The Third Dimension of Ferroelectric Domain Walls

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Título : The Third Dimension of Ferroelectric Domain Walls
Autores: Erik D. Roede, Konstantin Shapovalov, Thomas J. Moran, Aleksander B. Mosberg, Zewu Yan, Edith Bourret, Andres Cano, Bryan D. Huey, Antonius T. J. van Helvoort, Dennis Meier
Citation and DOI: Adv. Mater. 2022, 34, 2202614. 
DOI: https://doi.org/10.1002/adma.202202614
PlumX: The Third Dimension of Ferroelectric Domain Walls
Ferroelectric domain walls are quasi-2D systems that show great promise for the development of nonvolatile memory, memristor technology, and electronic components with ultrasmall feature size. Electric fields, for example, can change the domain wall orientation relative to the spontaneous polarization and switch between resistive and conductive states, controlling the electrical current.

Oxides

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Molecular Dynamics Simulations of Adsorption of SARS-CoV-2 Spike Protein on Polystyrene Surface

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Título : Molecular Dynamics Simulations of Adsorption of SARS-CoV-2 Spike Protein on Polystyrene Surface
Autores: Mehdi Sahihi* and Jordi Faraudo
Citation and DOI:
J. Chem. Inf. Model. 2022, 62, 16, 3814–3824
Publication Date:August 4, 2022
DOI: https://doi.org/10.1021/acs.jcim.2c00562
PlumX: Molecular Dynamics Simulations of Adsorption of SARS-CoV-2 Spike Protein on Polystyrene Surface
A prominent feature of coronaviruses is the presence of a large glycoprotein spike (S) protruding from the viral particle. The specific interactions of a material with S determine key aspects such as its possible role for indirect transmission or its suitability as a virucidal material. Here, we consider all-atom molecular dynamics simulations of the interaction between a polymer surface (polystyrene) and S in its up and down conformations.

Biomaterials

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Facile preparation of glycine-based mesoporous graphitic carbons with embedded cobalt nanoparticles

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Título : Facile preparation of glycine-based mesoporous graphitic carbons with embedded cobalt nanoparticles
Autores: Wenhai Wang, Alvaro Y. Tesio, Mara Olivares-Marín, Pedro Gómez Romero & Dino Tonti
Citation and DOI: J Mater Sci 57, 13403–13413 (2022).
DOI https://doi.org/10.1007/s10853-022-07421-3
PlumX: Facile preparation of glycine-based mesoporous graphitic carbons with embedded cobalt nanoparticles
A simple route has been developed for the preparation of mesoporous graphitic carbons with embedded cobalt nanoparticles just using glycine as a nitrogen source, cobalt nitrate and distilled water. After heating the mixture to 300 °C under magnetic stirring, a dry solid product was obtained, which was then carbonized at 900 ºC under argon atmosphere. Changing the glycine/Co molar ratio allowed controlling the size of the cobalt particles and their dispersion in the carbon matrix, the porosity of the carbon and its graphitic character.

Energy

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Wenchao Duan | ICMAB-CSIC

Congratulations Doctor Wenchao Duan, new ICMAB graduate!

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Date : 2022-09-09

Doctor Wenchao Duan, from the Nanoparticles & Nanocomposites (NN) Group at ICMAB-CSIC, defended his PhD thesis titled "Metal nanoparticle carbon nanocomposites to produce electrochemical devices for environmental water monitoring" on Thursday, 8 September 2022 at ICMAB.

PhD Congrats

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Understanding the blade coated to roll-to-roll coated performance gap in organic photovoltaics

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Título : Understanding the blade coated to roll-to-roll coated performance gap in organic photovoltaics
Autores: Rana Adel, Graham Morse, Francesco Silvestri, Esther Barrena, Eugenia Martinez-Ferrero, Mariano Campoy-Quiles, Priti Tiwana, Marco Stella
Citation and DOI: Solar Energy Materials and Solar Cells, Volume 245
DOI https://doi.org/10.1016/j.solmat.2022.111852
PlumX: Understanding the blade coated to roll-to-roll coated performance gap in organic photovoltaics
The fabrication of efficient organic photovoltaic (OPV) modules via high throughput methods is a crucial milestone to facilitate their commercialization. The achievement of reliable printing and coating processes for large-scale modules has, however, been challenging thus far. Indeed, the performance gap is large between cells produced at lab-scale and those resulting from industrial methods. Therefore, understanding the critical steps in the upscaling process is decisive to address the research efforts towards decreasing the aforementioned gap.

Energy

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Welcome Giulia Pancotti at ICMAB!

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Nombre y apellidos: Giulia Pancotti

Hello! I am Giulia from Rome, I recently finished my master in Photochemistry and Molecular Materials in Bologna where I did my thesis on molecular machines. I am now excited to start the PhD in ICMAB under the supervision of Prof. David Amabilino, my project deals with the synthesis and characterization of new chiral organic materials for solar cells.

On my free time I like to go to concert, discover music and explore new places

See you in ICMAB :)

Italy

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