ASRP 2025 - Alpic School for Radiation Physics

Session

Oral Session S20-4

S20-4

20 Jun 2025, 16:40

Yerevan

Conveners

Oral Session S20-4

• Pavel Karataev (University of London (GB))

74. Radiation Resistance of Willemite Samples Irradiated with Electron and Proton, Geant4 Simulations

Anush Badalyan (A. I. Alikhanyan national science laboratory (Yerevan Physics Institute)" foundation)

20/06/2025, 16:40

Enhanced thermal barrier coatings (TBCs) have the potential to facilitate the operation of next-generation gas turbines at increased combustion temperatures. Considerable research efforts are currently focused on the development of novel materials that surpass the performance of conventional industry standards. Beyond their use in turbines, TBCs are also being investigated for aerospace...

114. Features of Channeling and Spontaneous Radiation of Electrics in the Main Crystallographic Planes of a Barium Titanate Crystal in the Cubic Phase

Anastasiia Stakhova (Shevchenko Kyiv National University of Kyiv)

20/06/2025, 17:00

N.V. Maksyuta, V.I. Vysotskii, A.O. Stakhova, D.N. Maksyuta

Faculty of Radio Physics, Electronics and Computer Systems Taras Shevchenko Kyiv National University of Kyiv, Glushkova ave., 4g

This paper continues the study of the features of spectral distributions of spontaneous radiation arising from the channeling of relativistic (including weakly relativistic) electrons in complex...

72. Photoionization cross section of hydrogen-like donor impurity in CdSe nanoplatelets

Manvel Manvelyan (Institute of Applied Problems of Physics NAS RA)

20/06/2025, 17:20

In this paper the hydrogen-like donor impurity states in CdSe nanoplatelet have been studied using the approximation and numerical methods. The impact of polarization effects caused by a significant mismatch of dielectric constants between the nanoplatelet and the surrounding medium is considered within the framework of the Ritova-Keldysh theory and the Takagahara model. The interaction...

59. Terahertz optical transitions in an asymmetric ellipsoidal GeSi QD containing few-particle hole gas in the presence of a magnetic field

Aram Nahapetyan (Institute of Applied Problems of Physics)

20/06/2025, 17:40

The intraband optical transitions in the strongly oblate asymmetric ellipsoidal GeSi quantum dot (QD) containing pair-interacting heavy hole gas have been investigated. It has been shown, that due to QD specific geometry, the hole gas localization in the lateral plane XOY is described in the framework of the two-dimensional asymmetric oscillator model. Based on the obtained results, Kohn's...

92. Preparation of liquid crystal elastomers and study of their mechanical and optical properties

Mane Harutyunyan

20/06/2025, 18:00

Liquid crystal elastomers (LCEs) are a special class of materials that combine the flexibility of elastomers with the ordered structure of liquid crystals. These materials have polymer chains that are linked to liquid crystal molecules, which align in specific directions, creating a unique combination of properties. LCEs can stretch and bend like elastomers, but they also respond to external...