Search Results - "Krasheninnikov, A"

Engineering of nanostructured carbon materials with electron or ion beams by Krasheninnikov, A. V, Banhart, F

“…Irradiating solids with energetic particles is usually thought to introduce disorder, normally an undesirable phenomenon. But recent experiments on electron or…”
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van der Waals bonding in layered compounds from advanced density-functional first-principles calculations by Björkman, T, Gulans, A, Krasheninnikov, A V, Nieminen, R M

“…Although the precise microscopic knowledge of van der Waals interactions is crucial for understanding bonding in weakly bonded layered compounds, very little…”
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From point defects in graphene to two-dimensional amorphous carbon by Kotakoski, J, Krasheninnikov, A V, Kaiser, U, Meyer, J C

“…While crystalline two-dimensional materials have become an experimental reality during the past few years, an amorphous 2D material has not been reported…”
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Embedding transition-metal atoms in graphene: structure, bonding, and magnetism by Krasheninnikov, A V, Lehtinen, P O, Foster, A S, Pyykkö, P, Nieminen, R M

“…We present a density-functional-theory study of transition-metal atoms (Sc-Zn, Pt, and Au) embedded in single and double vacancies (SV and DV) in a graphene…”
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Irradiation-induced magnetism in graphite: A density functional study by LEHTINEN, P. O, FOSTER, A. S, YUCHEN MA, KRASHENINNIKOV, A. V, NIEMINEN, R. M

“…Recent experiments indicate that proton irradiation triggers ferromagnetism in originally nonmagnetic graphite samples while He ion bombardment has a much…”
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Spin-half paramagnetism in graphene induced by point defects by Nair, R. R., Sepioni, M., Tsai, I-Ling, Lehtinen, O., Keinonen, J., Krasheninnikov, A. V., Thomson, T., Geim, A. K., Grigorieva, I. V.

“…The presence, or otherwise, of magnetism in graphene has been the subject of much debate. A systematic study of point defects—a widely suggested source of…”
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Are we van der Waals ready? by Björkman, T, Gulans, A, Krasheninnikov, A V, Nieminen, R M

“…We apply a range of density-functional-theory-based methods capable of describing van der Waals interactions with weakly bonded layered solids in order to…”
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Atomic scale study of the life cycle of a dislocation in graphene from birth to annihilation by Lehtinen, O., Kurasch, S., Krasheninnikov, A.V., Kaiser, U.

“…Dislocations, one of the key entities in materials science, govern the properties of any crystalline material. Thus, understanding their life cycle, from…”
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Electron-Beam Induced Transformations of Layered Tin Dichalcogenides by Sutter, E, Huang, Y, Komsa, H.-P, Ghorbani-Asl, M, Krasheninnikov, A.V, Sutter, P

“…By combining high-resolution transmission electron microscopy and associated analytical methods with first-principles calculations, we study the behavior of…”
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Carbon Nanotubes as High-Pressure Cylinders and Nanoextruders by Sun, L, Banhart, F, Krasheninnikov, A.V, Rodríguez-Manzo, J.A, Terrones, M, Ajayan, P.M

“…Closed-shell carbon nanostructures, such as carbon onions, have been shown to act as self-contracting high-pressure cells under electron irradiation. We report…”
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Observation of charge density waves in free-standing 1T-TaSe2 monolayers by transmission electron microscopy by Börner, P. C., Kinyanjui, M. K., Björkman, T., Lehnert, T., Krasheninnikov, A. V., Kaiser, U.

“…While bulk 1T-TaSe2 is characterized by a commensurate charge density wave (CCDW) state below 473 K, the stability of the CCDW state in a 1T-TaSe2 monolayer,…”
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Controlled generation of luminescent centers in hexagonal boron nitride by irradiation engineering by Fischer, M, Caridad, J M, Sajid, A, Ghaderzadeh, S, Ghorbani-Asl, M, Gammelgaard, L, Bøggild, P, Thygesen, K S, Krasheninnikov, A V, Xiao, S, Wubs, M, Stenger, N

“…Luminescent centers in the two-dimensional material hexagonal boron nitride have the potential to enable quantum applications at room temperature. To be used…”
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Mechanical properties of carbon nanotubes with vacancies and related defects by SAMMALKORPI, M, KRASHENINNIKOV, A, KURONEN, A, NORDLUND, K, KASKI, K

“…Although as-grown carbon nanotubes have relatively few defects, defects can appear at the purification stage or be deliberately introduced by irradiation with…”
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Dual origin of defect magnetism in graphene and its reversible switching by molecular doping by Nair, R.R., Tsai, I.-L., Sepioni, M., Lehtinen, O., Keinonen, J., Krasheninnikov, A.V., Castro Neto, A.H., Katsnelson, M.I., Geim, A.K., Grigorieva, I.V.

“…Control of magnetism by applied voltage is desirable for spintronics applications. Finding a suitable material remains an elusive goal, with only a few…”
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The Role of Stable and Mobile Carbon Adspecies in Copper-Promoted Graphene Growth by Riikonen, S, Krasheninnikov, A. V, Halonen, L, Nieminen, R. M

“…Early stages of carbon monolayer nucleation on the copper (111) surface are systematically studied using density-functional theory calculations in the context…”
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Megacity Aerosol Pollution and Atmospheric Electric Field Disturbances by Krasheninnikov, A. V., Loktev, D. N., Soloviev, S. P.

“…The relationship between electric field variations and microparticle concentrations in the atmospheric surface layer has been studied using the example of the…”
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Magnetic properties and diffusion of adatoms on a graphene sheet by Lehtinen, P O, Foster, A S, Ayuela, A, Krasheninnikov, A, Nordlund, K, Nieminen, R M

“…We use ab initio methods to calculate the properties of adatom defects on a graphite surface. By applying a full spin-polarized description to the system we…”
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Difference in formation of hydrogen and helium clusters in tungsten by Henriksson, K. O. E., Nordlund, K., Krasheninnikov, A., Keinonen, J.

“…The experimentally observed large difference in the depths of hydrogen and helium clusters formed in tungsten still lacks a fundamental explanation. Using…”
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Preoperative level of sex hormones as a predictor (prognostic factor) of the morphological characteristics of testicular malignancies by Kholbobozoda, R. F., Kostin, A. A., Vorobyev, N. V., Tolkachev, A. O., Krasheninnikov, A. A., Taraki, I. A., Kaprin, A. D.

“…Introduction. Testicular cancer (TC) mostly affect young men of reproductive age. Several studies have shown correlation between the level of sex hormones in…”
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Compact Laser Devices for Measuring Airborne Microparticle Concentrations and Their Application at the Geophysical Monitoring Center of the Sadovsky Institute of Dynamics of Geospheres, Russian Academy of Sciences by Krasheninnikov, A. V., Loktev, D. N., Soloviev, S. P., Spivak, A. A.

“…A option of the methodology for observing PM 2.5 and PM 10 particle mass concentrations based on an Arduino UNO board and Sensirion SPS30 laser sensor has been…”
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