Webmaster & Editor:  Aleksandra Drozd-Rzoska

Editor: Sylwester Janusz Rzoska

Guest Editor: Agata Angelika Sojecka 

Soft Matter covers so many different materials that it is impossible to test all of them. The subsets of soft Matter we have selected for our research include: glass-forming systems, colloid and nanocolloids, critical mixtures, biological systems, model food & pharmaceuticals.

Soft Matter as an interdisciplinary field of knowledge is challenging for physicists, chemists, biologists, engineers, biophysicists,  materials scientists, ... 

On the one hand, Soft matter poses a challenge to science due to its yet undiscovered, mysterious properties.

On the other hand, it has a huge potential for applications in active matter, memory matter, bioactive systems, energy storage, or displays.

Soft Matter is also used as food additives, cosmetics, and detergents.

Since P. G. de Gennes' Nobel lecture in 1991, the concept of Soft Matter has been significantly expanded to include NEW directions & dimensions.

 critical mixture, nanocolloids, food,  vitrification, high pressure 

X-PressMatter Group' IHPP PAS

Soft  Matter  Blog

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Discover the secrets of Soft Matter with us!

Unipress IWC PAN Celestynów

Studies focused on obtaining a coherent picture of previtreous changes in dynamic & thermodynamic

properties in glass-forming systems.

♦ Phase equilibria & related pretransitional phenomena studied by the innovative visual method with photo-registration and new implementations of ‘linear’ and ‘nonlinear’ dielectric spectroscopies, also under pressure.

♦ Studies of liquid crystalline materials under the endogenic & exogenic impacts focused on the influence of multimolecular pretransitional fluctuations.

♦ Unique properties of glassy materials emerging by high-pressure & high-temperature annealing in the amorphous solid state. 

The application target is related to solid, glassy materials for the new generation of batteries.

The Key Topics of our Research on Soft Matter:

  • New model descriptions directly inspired and validated by advanced experimental studies.

  • Innovative distortions-sensitive data processing enable a "subtle" phenomenal insight.

  • Studies for temperature and pressure paths, with in situ scanning up to extreme GPa pressure limits.

What makes our Research Unique?

 Research Achievements 

LINK_ NEW Model _ Pressure-Related Universal Previtreous Behavior  _ Aleksandra Drozd-Rzoska 

   LINK_ Activation volume in superpressed glass-formers _ Aleksandra Drozd-Rzoska

LINKNEW Model_ Universal Previtreous Behavior of the Structural Relaxation Time _ Aleksandra Drozd-Rzoska

LINK_ Strong pretransitional anomaly near glass transition _ Szymon Starzonek  et al.

LINK_ NEW scaling paradigm for dynamics in glass-forming systems _ Aleksandra Drozd-Rzoska, et al.

LINK Evolution of Tg in lithium-based glass under pressure _ Aleksandra Drozd-Rzoska, et al.

LINKNEW research tools for testing the puzzling melting/freezing phenomenonJakub Kalabiński et al. 

LINKSupercriticality - common phenomenon for monotectic mixtures?_ Jakub Kalabiński et al.

LINKCritical-like behavior of low-frequency dielectric properties in compressed 8OCB /its nanocolloids _ Joanna Łoś et al.

LINK _ NEW proposition of explanations for detected phenomena in the isotropic liquid phaseJoanna Łoś et al.

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International Seminar

The 3rd PSIS on Soft Matter


 "Show Yourself in Science."


Cooperation  & Activities

You are heartily invited to participate in the workshops carried out during

the 3rd Polish-Slovenian International

Seminar on Soft Matter,  

"Show Yourself in Science."


27th September 2024

We cordially invite You to take part in 

the 3rd Polish-Slovenian International Seminar on Soft Matter 

(The 3rd PSIS on Soft Matter)

which will be held on:



26th-28th September 2024

  • UNIPRESS EQUIPMENT, Division of Institute of High Pressure Physics, PAS, Warsaw, Poland

  • Military University of Technology, Warsaw, Poland

  • Faculty of Physics, Warsaw University of Technology, Poland

  • Faculty of Chemistry, University of Wrocław, Poland

  • Faculty of Natural Sciences and Mathematics University of Maribor, Slovenia

  • Faculty of Health Sciences, University of Ljubljana, Slovenia 

  • Laboratory of Clinical Biophysics, University of Ljubliana, Slovenia

  • Institut for Kemi og Biovidenskab, Aalborg Universitet, Danmark  

* 1. Popularization of knowledge, especially regarding Soft Matter Physics and the impact of High Pressure 

* 2. Promoting achievements of young scientists  associated with the X-PressMatter IHPP PAS Laboratory

* 3. Promoting knowledge about personalities of the world of science

* 4. Supporting co-organization/ organization of the "Show Yourself in Science" Workshop & International Seminar on Soft Matter

This WEBSITE was created to realize the following, main  GOALS:

Soft Matter systems have common features, such as the dominance of elements or local structures on the mesoscale, combined with their relatively weak interactions, which turns out to be sufficient to obtain a tendency to self-organize with even a small change in parameters. This additionally leads to extraordinary sensitivity to even minor endogenous and exogenous factors, e.g., nanoparticles and pressure. In the case of the latter, relatively low pressures P~1 GPa, or even much lower ones, can lead to phases/states with exotic features, often persisting after decompression.

Worth stressing, that for "classical hard matter" systems, a pressure similar to that at the Earth's core (~300 GPa) is typically required, and the resulting "exotic" properties most often disappear upon decompression.

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