Zamin Mamiyev
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View article: Enhanced Light–Matter Interactions With a Single Sn Nanoantenna on Epitaxial Graphene
Enhanced Light–Matter Interactions With a Single Sn Nanoantenna on Epitaxial Graphene Open
Surface‐enhanced Raman spectroscopy (SERS) is a powerful tool for amplifying inelastic light scattering in low‐dimensional materials. Graphene, with its chemical stability, tunable electronic properties, and Raman‐active phonons, provides …
View article: Lithographically Controlled Liquid Metal Diffusion in Graphene: Fabrication and Magnetotransport Signatures of Superconductivity
Lithographically Controlled Liquid Metal Diffusion in Graphene: Fabrication and Magnetotransport Signatures of Superconductivity Open
Metal intercalation in epitaxial graphene enables the emergence of proximity‐induced superconductivity and modified quantum transport properties. However, systematic transport studies of intercalated graphene have been hindered by challeng…
View article: Si intercalation beneath epitaxial graphene: screening Mott states at the SiC(0001) interface
Si intercalation beneath epitaxial graphene: screening Mott states at the SiC(0001) interface Open
Intercalation has proven to be a powerful tool for tailoring the electronic properties of freestanding graphene layers as well as for stabilizing the intercalated material in a two-dimensional configuration. This work examines Si intercala…
View article: From Stripes to Hexagons: Strain‐Induced 2D Pb Phases Confined Between Graphene and SiC
From Stripes to Hexagons: Strain‐Induced 2D Pb Phases Confined Between Graphene and SiC Open
The intercalation of metals beneath graphene offers a powerful route to stabilizing and protecting novel 2D phases. The epitaxial growth of Pb monolayers on SiC(0001), combined with the relatively large spacing of the suspended graphene, m…
View article: High throughput Germanium Homoepitaxy using GeCl <sub>4</sub> in an APCVD Batch Reactor
High throughput Germanium Homoepitaxy using GeCl <sub>4</sub> in an APCVD Batch Reactor Open
To meet the rising demand for germanium, a critical raw material commonly used as substrates for highly efficient III−V solar cells, innovative, sustainable and cost-effective substrate alternatives, such as engineered germanium substrates…
View article: Mesoscopic scale study of lateral dynamics of Sn intercalation of the graphene buffer layer on SiC
Mesoscopic scale study of lateral dynamics of Sn intercalation of the graphene buffer layer on SiC Open
View article: Lithographically-controlled liquid metal diffusion in graphene: Fabrication and magneto-transport signatures of superconductivity
Lithographically-controlled liquid metal diffusion in graphene: Fabrication and magneto-transport signatures of superconductivity Open
Metal intercalation in epitaxial graphene enables the emergence of proximity-induced superconductivity and modified quantum transport properties. However, systematic transport studies of intercalated graphene have been hindered by challeng…
View article: Confinement induced strain effects in epitaxial graphene
Confinement induced strain effects in epitaxial graphene Open
View article: Electronic correlations in epitaxial graphene: Mott states proximitized to a relativistic electron gas
Electronic correlations in epitaxial graphene: Mott states proximitized to a relativistic electron gas Open
Graphene, renowned for its exceptional electronic and optical properties as a robust 2D material, traditionally lacks electronic correlation effects. Proximity coupling offers a promising method to endow quantum materials with novel proper…
View article: Exploring graphene-substrate interactions: plasmonic excitation in Sn-intercalated epitaxial graphene
Exploring graphene-substrate interactions: plasmonic excitation in Sn-intercalated epitaxial graphene Open
Graphene plasmons, including those in intercalated graphene, are an important research focus, with the promise of enabling light manipulation and providing a unique platform for gaining fundamental insights into many-body electronic intera…
View article: Domain Boundary Formation Within an Intercalated Pb Monolayer Featuring Charge‐Neutral Epitaxial Graphene
Domain Boundary Formation Within an Intercalated Pb Monolayer Featuring Charge‐Neutral Epitaxial Graphene Open
The synthesis of new graphene‐based quantum materials by intercalation is an auspicious approach. However, an accompanying proximity coupling depends crucially on the structural details of the new heterostructure. It is studied in detail t…
View article: Metal Sulfide Photocatalysts for Hydrogen Generation: A Review of Recent Advances
Metal Sulfide Photocatalysts for Hydrogen Generation: A Review of Recent Advances Open
Metal-sulfide nanostructures have piqued the interest of researchers for decades due to their intriguing optoelectronic properties. Indeed, significant advances and improvements have been made in various fundamental aspects for cutting-edg…
View article: Periodic Nanoarray of Graphene pn‐Junctions on Silicon Carbide Obtained by Hydrogen Intercalation
Periodic Nanoarray of Graphene pn‐Junctions on Silicon Carbide Obtained by Hydrogen Intercalation Open
Graphene pn‐junctions offer a rich portfolio of intriguing physical phenomena. They stand as the potential building blocks for a broad spectrum of future technologies, ranging from electronic lenses analogous to metamaterials in optics, to…
View article: Plasmon localization by adatoms in gold atomic wires on Si(775)
Plasmon localization by adatoms in gold atomic wires on Si(775) Open
Self-organized gold chains on vicinal Si(111) surfaces represent prototype examples of quasi-one-dimensional objects that are stabilized by hybridization with Si surface states. Their plasmons contain important information about the unoccu…
View article: Enforced Long-Range Order in 1D Wires by Coupling to Higher Dimensions
Enforced Long-Range Order in 1D Wires by Coupling to Higher Dimensions Open
One-dimensional wires are known to be inherently unstable at finite temperature. Here, we show thatlong-range order of atomic Au double chains adsorbed on a Si(553) surface is not only stabilized byinteraction with the substrate, but spont…
View article: Plasmonic excitations and coupling in atomic wires
Plasmonic excitations and coupling in atomic wires Open
Metal-induced atomic wires on the semiconductor surfaces are the ultimate limit of long-range ordered quasi-one-dimensional electronic systems. In this thesis, the plasmonic excitations and their coupling with the structural parameters, as…
View article: Plasmon Standing Waves by Oxidation of Si(553)–Au
Plasmon Standing Waves by Oxidation of Si(553)–Au Open
Self-assembled Au atomic wires on stepped Si surfaces are metallic, as evidenced by one-dimensionally dispersing plasmonic excitation. Here, we investigate the effects of oxidation on metallicity along such Au atomic wires on a regularly s…
View article: How adsorbates alter the metallic behavior of quasi-1D electron systems of the Si(5 5 3)-Au surface
How adsorbates alter the metallic behavior of quasi-1D electron systems of the Si(5 5 3)-Au surface Open
The plasmonic signals of quasi-1D electron systems are a clear and direct measure of their metallic behavior. Due to the finite size of such systems in reality, plasmonic signals from a gold-induced superstructure on Si(5 5 3) can be studi…
View article: Anisotropic 2D metallicity: plasmons in Ge(1 0 0)-Au
Anisotropic 2D metallicity: plasmons in Ge(1 0 0)-Au Open
The low-energy plasmonic excitations of the Ge(0 0 1)-Au close to one monolayer coverage of Au were investigated by momentum-resolved high resolution electron energy loss spectroscopy. A very weak plasmonic loss was identified dispersing a…
View article: Extrinsic doping on the atomic scale: Tuning metallicity in atomic Au chains
Extrinsic doping on the atomic scale: Tuning metallicity in atomic Au chains Open
Understanding the response of low-dimensional electronic systems to external perturbations is of great interest for fundamental science as well as future applications. Here we employ plasmon spectroscopy to study the modification of metall…
View article: CuS nanoparticles synthesized by a facile chemical route under different pH conditions
CuS nanoparticles synthesized by a facile chemical route under different pH conditions Open
The CuS/polymer nanocomposites were synthesized by afacile chemical route under different pH conditions, and theinfluence of pH on the optical and structural properties wasstudied by FT-IR, UV-VIS and photoluminescence spectroscopy,thermog…
View article: Preparation and optical studies of PbS nanoparticles
Preparation and optical studies of PbS nanoparticles Open