Výsledky vyhledávání - "Bhakuni, Pramod"

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Intrinsic and extrinsic plasmons in the hard x-ray photoelectron spectra of nearly free electron metals

Autor: Balal, Mohammad, Sarkar, Shuvam, Bhakuni, Pramod, Gloskovskii, Andrei, Chakrabarti, Aparna, Barman, Sudipta Roy

Publikováno v: Physical Review B 109, 205419 (2024)

Collective plasmon excitations in solids that result from the process of photoemission are an important area of fundamental research. In this study, we identify a significant number ($n$) of multiple bulk plasmons ($n\omega_p$) in the hard x-ray phot

Externí odkaz: http://arxiv.org/abs/2404.16620

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Quasiperiodic gallium adlayer on i-Al-Pd-Mn

Autor: Bhakuni, Pramod, Krajčí, Marian, Barman, Sudipta Roy

Publikováno v: Physical Review B 109, 045427 (2024)

Using scanning tunneling microscopy (STM), low energy electron diffraction (LEED), and density functional theory (DFT), we demonstrate the formation of quasicrystalline gallium adlayer on icosahedral ($i$)-Al-Pd-Mn. Quasiperiodic motifs are evident i

Externí odkaz: http://arxiv.org/abs/2312.12005

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Growth of bilayer stanene on a magnetic topological insulator aided by a buffer layer

Autor: Barman, Sajal, Bhakuni, Pramod, Sarkar, Shuvam, Bhattacharya, Joydipto, Balal, Mohammad, Manna, Mrinal, Giri, Soumen, Pariari, Arnab, Skála, Tomáš, Huecker, Markus, Batabyal, Rajib, Chakrabarti, Aparna, Barman, Sudipta Roy

Publikováno v: Phys. Rev. B 110, 165407 (2024)

Stanene, a two-dimensional counterpart to graphene, has the potential to exhibit novel quantum phenomena when grown on a magnetic topological insulator (MTI). This work demonstrates the formation of up to bilayer stanene on 30\% Sb-doped MnBi$_{2}$Te

Externí odkaz: http://arxiv.org/abs/2310.08265

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Decagonal Sn clathrate on $d$-Al-Ni-Co

Autor: Singh, Vipin Kumar, Pospisilova, Eva, Mihalkovič, Marek, Krajčí, Marian, Bhakuni, Pramod, Sarkar, Shuvam, Pussi, Katariina, Schlagel, D. L., Lograsso, T. A., Canfield, Paul C., Barman, Sudipta Roy

Publikováno v: Phys. Rev. B, 107, 045410 (2023)

Decagonal quasiperiodic ordering of Sn thin film on $d$-Al-Ni-Co, is shown based on scanning tunneling microscopy (STM), low-energy electron diffraction and density functional theory (DFT). Interestingly, the decagonal structural correlations are par

Externí odkaz: http://arxiv.org/abs/2212.09540

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