Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Ivan G. Ivanov"'
Autor:
Sachin Sharma, Justinas Palisaitis, Ivan G. Ivanov, Per O.Å. Persson, Henrik Pedersen, Hans Högberg
Publikováno v:
Advanced Materials Interfaces, Vol 11, Iss 18, Pp n/a-n/a (2024)
Abstract Boron nitride (BN) is a promising 2D material as well as a potential wide‐bandgap semiconductor. Chemical vapor deposition (CVD) is commonly used to deposit single layers or thin films of BN, but the deposition process is insufficiently un
Externí odkaz:
https://doaj.org/article/fcf2eb493e394962b74a4bb6362b81c6
Autor:
Pasquale Cilibrizzi, Muhammad Junaid Arshad, Benedikt Tissot, Nguyen Tien Son, Ivan G. Ivanov, Thomas Astner, Philipp Koller, Misagh Ghezellou, Jawad Ul-Hassan, Daniel White, Christiaan Bekker, Guido Burkard, Michael Trupke, Cristian Bonato
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Spin-active quantum emitters have emerged as a leading platform for quantum technologies. However, one of their major limitations is the large spread in optical emission frequencies, which typically extends over tens of GHz. Here, we investi
Externí odkaz:
https://doaj.org/article/b5f2c73dd4d64b96ad7e3d753034f608
Publikováno v:
Fractal and Fractional, Vol 8, Iss 5, p 255 (2024)
This paper deals with the constrained state regulation problem (CSRP) of descriptor fractional-order linear continuous-time systems (DFOLCS) with order 0<α<1. The objective is to establish the existence of conditions for a linear feedback control la
Externí odkaz:
https://doaj.org/article/b169ba49697548b3a191f627748ea424
Autor:
Ivan G. Ivanov, Hongli Yang
Publikováno v:
Mathematics, Vol 11, Iss 21, p 4436 (2023)
In this paper, we investigate the iterative methods for the solution of different types of nonlinear matrix equations. More specifically, we consider iterative methods for the minimal nonnegative solution of a set of Riccati equations, a nonnegative
Externí odkaz:
https://doaj.org/article/7e34fbb56f454625a24b076740ab118a
Publikováno v:
Algorithms, Vol 16, Iss 9, p 417 (2023)
Stroke is a major public health issue with significant economic consequences. This study aims to enhance stroke prediction by addressing imbalanced datasets and algorithmic bias. Our research focuses on accurately and precisely detecting stroke possi
Externí odkaz:
https://doaj.org/article/e8103c366a9f4915af479472156b0766
Autor:
Roland Nagy, Matthias Niethammer, Matthias Widmann, Yu-Chen Chen, Péter Udvarhelyi, Cristian Bonato, Jawad Ul Hassan, Robin Karhu, Ivan G. Ivanov, Nguyen Tien Son, Jeronimo R. Maze, Takeshi Ohshima, Öney O. Soykal, Ádám Gali, Sang-Yun Lee, Florian Kaiser, Jörg Wrachtrup
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Point defects in solids have potential applications in quantum technologies, but the mechanisms underlying different defects’ performance are not fully established. Nagy et al. show how the wavefunction symmetry of silicon vacancies in SiC leads to
Externí odkaz:
https://doaj.org/article/29df93bbefcf4de6aa53ece77549515f
Autor:
Ivan Shtepliuk, Mikhail Vagin, Ziyauddin Khan, Alexei A. Zakharov, Tihomir Iakimov, Filippo Giannazzo, Ivan G. Ivanov, Rositsa Yakimova
Publikováno v:
Nanomaterials, Vol 12, Iss 13, p 2229 (2022)
Novel two-dimensional materials (2DMs) with balanced electrical conductivity and lithium (Li) storage capacity are desirable for next-generation rechargeable batteries as they may serve as high-performance anodes, improving output battery characteris
Externí odkaz:
https://doaj.org/article/2b60d10606634de8af3d603206a69e1f
Autor:
Petya Ivanova, Ivan G. Ivanov, Yulian Tumbarski, Hristo Kalaydzhiev, Ivayla N. Dincheva, Vesela I. Chalova
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 11007 (2021)
Industrial sunflower meal is rich in secondary metabolites, which negatively influence the quality and functional properties of respective protein isolates. To reduce their quantity, sunflower meal was subjected to a four-step treatment with 75% aque
Externí odkaz:
https://doaj.org/article/dd7369a1dee04c55a3430db266fcc289
Autor:
Sean Knight, Tino Hofmann, Chamseddine Bouhafs, Nerijus Armakavicius, Philipp Kühne, Vallery Stanishev, Ivan G. Ivanov, Rositsa Yakimova, Shawn Wimer, Mathias Schubert, Vanya Darakchieva
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-8 (2017)
Abstract Unraveling the doping-related charge carrier scattering mechanisms in two-dimensional materials such as graphene is vital for limiting parasitic electrical conductivity losses in future electronic applications. While electric field doping is
Externí odkaz:
https://doaj.org/article/43165a8e218d4f1ea36a7efdb4794529
Autor:
Vallery Stanishev, Nerijus Armakavicius, Chamseddine Bouhafs, Camilla Coletti, Philipp Kühne, Ivan G. Ivanov, Alexei A. Zakharov, Rositsa Yakimova, Vanya Darakchieva
Publikováno v:
Applied Sciences, Vol 11, Iss 4, p 1891 (2021)
In this work we have critically reviewed the processes in high-temperature sublimation growth of graphene in Ar atmosphere using closed graphite crucible. Special focus is put on buffer layer formation and free charge carrier properties of monolayer
Externí odkaz:
https://doaj.org/article/e9658c56484546069bc5ef55d533e08f