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Vibrational spectroscopy of geochemical interfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2023-06-23 Stefan M. Piontek, Eric Borguet
Mineral/aqueous interfaces are ubiquitous in geochemistry and are employed for applications spanning catalysis to CO sequestration. Small changes in interface morphology have been shown to induce large changes in ion mobility, surface charge, and solvent orientation, which affect the function of these geochemical interfaces. While our ability to probe buried interfaces has been advanced by surface
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Consequences of the Dzyaloshinskii-Moriya interaction Surf. Sci. Rep. (IF 9.8) Pub Date : 2023-06-01 Robert E. Camley, Karen L. Livesey
Recently there has been an explosion of research related to the Dzyaloshinskii-Moriya interaction (DMI) in magnetic and multiferroic materials. This article reviews the key themes in this research and provides insight into the consequences of the DMI through simple theoretical models. The topics covered include new magnetic structures such as skyrmions and changes in domain wall structures along with
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Addressing complexity in catalyst design: From volcanos and scaling to more sophisticated design strategies Surf. Sci. Rep. (IF 9.8) Pub Date : 2023-05-05 Sarah M. Stratton, Shengjie Zhang, Matthew M. Montemore
Volcano plots and scaling relations are commonly used to design catalysts and understand catalytic behavior. These plots are a useful tool due to their robust and simple analysis of catalysis; however, catalysts that follow the volcano plot paradigm have an inherent limit to their performance. Scaling and Brønsted-Evans-Polanyi (BEP) relations, which are linear correlations in reaction energetics,
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Molecular switching on surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2023-03-09 Jorn D. Steen, Daniël R. Duijnstee, Wesley R. Browne
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Exploring 2D materials at surfaces through synchrotron-based core-level photoelectron spectroscopy Surf. Sci. Rep. (IF 9.8) Pub Date : 2023-01-28 Luca Bignardi, Paolo Lacovig, Rosanna Larciprete, Dario Alfè, Silvano Lizzit, Alessandro Baraldi
The interest in understanding and controlling the properties of two-dimensional materials (2DMs) has fostered in the last years a significant and multidisciplinary research effort involving condensed matter physics and materials science. Although 2DMs have been investigated with a wide set of different experimental and theoretical methodologies, experiments carried out with surface-science based techniques
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The charge exchange of slow highly charged ions at surfaces unraveled with freestanding 2D materials Surf. Sci. Rep. (IF 9.8) Pub Date : 2022-10-13 Richard A. Wilhelm
The property of a variable charge state makes ions unique to other types of radiation a material surface can be exposed to. As a consequence of charge exchange between ions and surfaces, energy is transferred to the surface and material damage may be triggered. Furthermore, a changing charge state of the ion alters its slowing down process in solids and has important implications when back-scattered
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Electrochemical tip-enhanced Raman Spectroscopy for microscopic studies of electrochemical interfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2022-09-24 Yasuyuki Yokota, Misun Hong, Norihiko Hayazawa, Yousoo Kim
The review describes electrochemical applications of tip-enhanced Raman spectroscopy (TERS). These applications combine the merits of both scanning probe microscopy (SPM) and Raman spectroscopy, which enables us to simultaneously obtain high-resolution images of surface morphology and chemical information under the electrochemical environment. This review, first summarizes the pioneering work done
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Graphene grown on transition metal substrates: Versatile templates for organic molecules with new properties and structures Surf. Sci. Rep. (IF 9.8) Pub Date : 2022-09-18 Cristina Díaz, Fabián Calleja, Amadeo L. Vázquez de Parga, Fernando Martín
The interest in graphene (a carbon monolayer) adsorbed on metal surfaces goes back to the 60's, long before isolated graphene was produced in the laboratory. Owing to the carbon-metal interaction and the lattice mismatch between the carbon monolayer and the metal surface, graphene usually adopts a rippled structure, known as moiré, that confers it interesting electronic properties not present in isolated
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Single atom doping in 2D layered MoS2 from a periodic table perspective Surf. Sci. Rep. (IF 9.8) Pub Date : 2022-07-15 Saeed Sovizi, Robert Szoszkiewicz
Molybdenum Disulfide (MoS2) is a well-known transition metal dichalcogenide with a hexagonal structure arrangement analogous to graphene. Two dimensional (2D) MoS2 has attracted wide attention in various applications such as energy storage, catalysis, sensing, energy conversion and optoelectronics due to its unique properties including tunable bandgap, substantial carrier mobility, outstanding mechanical
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Atom scattering as a probe of the surface electron-phonon interaction at conducting surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2022-01-31 J.R. Manson, G. Benedek, Salvador Miret-Artés
An atomic projectile colliding with a surface at kinetic energies in the thermal or hyperthermal range interacts with and is reflected by the electronic density well in front of the first layer of target atoms, and it is generally accepted that the repulsive interaction potential is proportional to the density of electrons extending outside the surface. This review develops a complete treatment of
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Solvent effects on catalytic reactions and related phenomena at liquid-solid interfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-09-28 Gengnan Li, Bin Wang, Daniel E. Resasco
Catalytic reactions involve the direct interaction of reactants, intermediates and products with the catalyst surface. We not only need to control the atomic structure and electronic properties of the active site, but also explore the multiple molecular interactions that occur beyond the active site; they play an essential role in altering the binding and reactivity of surface species. In liquid-phase
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The metallic nature of two-dimensional transition-metal dichalcogenides and MXenes Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-09-22 Wenshuo Xu, Yuxuan Ke, Zhuo Wang, Wenjing Zhang, Andrew Thye Shen Wee
Metallic two-dimensional (2D) materials such as transition-metal dichalcogenides (TMDCs) and MXenes exhibit intriguing properties, including superconductivity, magnetism and electrocatalysis. Studies on the correlation between their nanoscale structures and properties can facilitate the development of photodetectors, supercapacitors, nanocatalysts, etc., but this topic has not been reviewed systematically
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Water-solid interfaces probed by high-resolution atomic force microscopy Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-11-20 Jinbo Peng, Jing Guo, Runze Ma, Ying Jiang
Water-solid interfaces play important roles across a broad range of scientific and application fields. In the past decades, atomic force microscopy (AFM) has significantly deepened our understanding of water-solid interfaces at molecular scale. In this review, we describe the recent progresses on probing water-solid interfaces by noncontact AFM, highlighting the imaging of interfacial water with ultrahigh
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Surface chemistry of hot electron and metal-oxide interfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-06-08 Si Woo Lee, Hyunhwa Lee, Yujin Park, Heeyoung Kim, Gabor A. Somorjai, Jeong Young Park
Fundamental mechanisms for energy conversion and dissipation on surfaces and at interfaces have been significant issues in the community of surface science. Electronic excitation in exothermic chemical reactions or photon absorption involves the generation of energetic or hot electrons that are not in thermal equilibrium via non-adiabatic electronic excitation. A number of experimental and theoretical
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Chirality of molecular nanostructures on surfaces via molecular assembly and reaction: manifestation and control Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-06-05 Ying Xu, Jun-Jie Duan, Zhen-Yu Yi, Ke-Xin Zhang, Ting Chen, Dong Wang
The formation of chiral nanostructures via molecular assembly and reaction on solid surfaces is a ubiquitous surface process due to the symmetry-breaking at 2D surface. Studying chirality during the adsorption, assembly, and reaction of molecules on 2D solid surfaces at molecular level not only sheds deep insights into the enantioselective heterogeneous catalysis, chiral recognition, origin and evolution
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Experimental and theoretical studies of reaction pathways of direct propylene epoxidation on model catalyst surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-03-20 William N. Porter, Zhexi Lin, Jingguang G. Chen
The direct epoxidation of propylene to propylene oxide (PO) using molecular oxygen is an attractive alternative to current production methods using chlorohydrin or hydroperoxide-mediated processes, which are environmentally harmful and expensive. Although direct ethylene epoxidation using Ag-based catalysts has been practiced industrially for decades, due to the presence of allylic hydrogen in propylene
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Synthesis and characterization of 2D transition metal dichalcogenides: Recent progress from a vacuum surface science perspective Surf. Sci. Rep. (IF 9.8) Pub Date : 2021-03-13 Kinga Lasek, Jingfeng Li, Sadhu Kolekar, Paula Mariel Coelho, Lu'an Guo, Min Zhang, Zhiming Wang, Matthias Batzill
Layered transition metal dichalcogenides (TMDs) are a diverse group of materials whose properties vary from semiconducting to metallic with a variety of many body phenomena, ranging from charge density wave (CDW), superconductivity, to Mott-insulators. Recent interest in topologically protected states revealed also that some TMDs host bulk Dirac- or Wyle-semimetallic states and their corresponding
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Noncontact atomic force microscopy: Bond imaging and beyond Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-11-03 Qigang Zhong, Xuechao Li, Haiming Zhang, Lifeng Chi
It was a long-cherished dream for chemists to take a direct look at chemical bonding, a fundamental component of chemistry. This dream was finally accomplished by the state-of-the-art noncontact atomic force microscopy (NC-AFM) equipped with qPlus force sensors and carbon monoxide (CO) functionalized tips. The resolved interconnectivity between atoms and molecules in NC-AFM frequency shift images is
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Adsorption and valence electronic states of nitric oxide on metal surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-08-15 Akitoshi Shiotari, Hiroyuki Koshida, Hiroshi Okuyama
Among fundamental diatomic molecules, the adsorption of carbon monoxide (CO) and nitric oxide (NO) on metal surfaces has been a subject of intensive research in the surface science community, partly owing to its relevance to heterogeneous catalysis used for environmental control. Compared to the rather well-defined adsorption mechanism of CO, that of NO is less understood because the adsorption results
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Synchrotron infrared nano-spectroscopy and -imaging Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-04-24 Hans A. Bechtel, Samuel C. Johnson, Omar Khatib, Eric A. Muller, Markus B. Raschke
Infrared (IR) spectroscopy has evolved into a powerful analytical technique to probe molecular and lattice vibrations, low-energy electronic excitations and correlations, and related collective surface plasmon, phonon, or other polaritonic resonances. In combination with scanning probe microscopy, near-field infrared nano-spectroscopy and -imaging techniques have recently emerged as a frontier in imaging
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The electrochemical interface in first-principles calculations Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-04-24 Kathleen Schwarz, Ravishankar Sundararaman
First-principles predictions play an important role in understanding chemistry at the electrochemical interface. Electronic structure calculations are straightforward for vacuum interfaces, but do not easily account for the interfacial fields and solvation that fundamentally change the nature of electrochemical reactions. Prevalent techniques for first-principles prediction of electrochemical processes
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Wettability of graphene Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-03-20 Liubov A. Belyaeva, Grégory F. Schneider
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Non-covalent interaction controlled 2D organic semiconductor films: Molecular self-assembly, electronic and optical properties, and electronic devices Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-03-14 Jia Lin Zhang, Xin Ye, Chengding Gu, Cheng Han, Shuo Sun, Li Wang, Wei Chen
The establishment of electronic and opto-electronic products relying on organic semiconductors (OSCs) has been intensely explored over the past few decades due to their great competitiveness in large area, low cost, flexible, wearable and implantable devices. Many of these products already entered our daily lives, such as organic light-emitting diodes-based displays, portable organic solar cells and
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Vibrational Raman Spectroscopy on Adsorbate-Induced Low-Dimensional Surface Structures Surf. Sci. Rep. (IF 9.8) Pub Date : 2020-01-13 Eugen Speiser, Norbert Esser, Benedikt Halbig, Jean Geurts, Wolf Gero Schmidt, Simone Sanna
Low-dimensional self-organized surface structures, induced by (sub)monolayer metal adsorbates on semiconductor surfaces may give rise not only to a variety of emergent electronic properties, but also to a multitude of specific localized vibronic features. The focus of this review is on the analysis of these novel surface vibration eigenmodes. The application of in situ surface Raman spectroscopy under
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Surface chemistry and catalysis of oxide model catalysts from single crystals to nanocrystals Surf. Sci. Rep. (IF 9.8) Pub Date : 2019-07-29 Shilong Chen,Feng Xiong,Weixin Huang
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Physical and chemical phenomena occurring between solid ceramics and liquid metals and alloys at laser and plasma composite coatings formation: A review Surf. Sci. Rep. (IF 9.8) Pub Date : 2019-06-18 Soufiane Oukach,Bernard Pateyron,Lech Pawłowski
The review describes the physical and chemical phenomena occurring between solid ceramics used as reinforcement and liquid metals and alloys used as matrix in the composite coatings. Initially, the properties of typical matrix metals as Ni, Co, Fe and alloys as Ni-based (NiCr, NiAl, NiCrAlY,…) and Co-based (Stellites) alloys in liquid state are described. Then, the phenomena related to the diffusion
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Directional Auger and elastic peak electron spectroscopies: Versatile methods to reveal near-surface crystal structure Surf. Sci. Rep. (IF 9.8) Pub Date : 2019-05-21 I. Morawski,M. Nowicki
A review of directional Auger (DAES) and directional elastic peak electron spectroscopy (DEPES) for investigations of the short range order within a near-surface region, similar to XPD, is presented. The application of these techniques requires nothing more than a retarding field analyser (RFA), commonly applied for the observation of low energy electron diffraction (LEED) patterns and Auger electron
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Confined on-surface organic synthesis: Strategies and mechanisms Surf. Sci. Rep. (IF 9.8) Pub Date : 2019-05-15 Tao Wang,Junfa Zhu
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Gas-surface interactions on two-dimensional crystals Surf. Sci. Rep. (IF 9.8) Pub Date : 2019-03-27 Uwe Burghaus
Two-dimensional (2D) crystals have developed into a popular mainstream research topic which is interesting for basic research and many applications. Gas-surface interactions, as reviewed here, are important for catalysis including noble metal-free catalysts, materials science, and surface science as well as environmental and energy technologies. Basic science concerns fundamental differences of 2D
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Hexagonal boron nitride monolayers on metal supports: Versatile templates for atoms, molecules and nanostructures Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-11-02 Willi Auwärter
Hexagonal boron nitride (hBN) monolayers have attracted considerable interest as atomically thin sp2-hybridized sheets that are readily synthesized on various metal supports. They complement the library of two-dimensional materials including graphene and open perspectives for van der Waals heterostructures. In this review, we discuss the surface science of hBN including its growth, the hBN/metal interface
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Water confined in two-dimensions: Fundamentals and applications Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-09-15 Pantelis Bampoulis,Kai Sotthewes,Edwin Dollekamp,Bene Poelsema
The behavior of water in close proximity to other materials under ambient conditions is of great significance due to its importance in a broad range of daily applications and scientific research. The structure and dynamics of water at an interface or in a nanopore are often significantly different from those of its bulk counterpart. Until recently, experimental access to these interfacial water structures
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Pauling's rules for oxide surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-09-12 Tassie K. Andersen,Dillon D. Fong,Laurence D. Marks
Determination of surface structures currently requires careful measurement and computationally expensive methods since, unlike bulk crystals, guiding principles for generating surface structural hypotheses are frequently lacking. Herein, we discuss the applicability of Pauling's rules as a set of guidelines for surface structures. The wealth of solved reconstructions on SrTiO3 (100), (110), and (111)
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Angle-resolved desorption and removal of surface nitrogen in deNOx Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-08-01 Tatsuo Matsushima,Anton Kokalj
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Interactions of incident H atoms with metal surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-07-24 Michelle S. Hofman,Dwayne Z. Wang,Yuxin Yang,Bruce E. Koel
Atomic hydrogen is a highly reactive species of interest because of its role in a wide range of applications and technologies. Knowledge about the interactions of incident H atoms on metal surfaces is important for our understanding of many processes such as those occurring in plasma-enhanced catalysis and nuclear fusion in tokamak reactors. Herein we review some of the numerous experimental surface
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Catalyst design using an inverse strategy: From mechanistic studies on inverted model catalysts to applications of oxide-coated metal nanoparticles Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-07-07 Jing Zhang,J. Will Medlin
Metal-oxide interfaces are of great importance in catalytic applications since each material can provide a distinct functionality that is necessary for efficient catalysis in complex reaction pathways. Moreover, the synergy between two materials can yield properties that exceed the superposition of single sites. While interfaces between metals and metal oxides can play a key role in the reactivity
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Adsorption of halogens on metal surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-06-02 B.V. Andryushechkin,T.V. Pavlova,K.N. Eltsov
This paper presents a review of the experimental and theoretical investigations of halogen interaction with metal surfaces. The emphasis was placed on the recent measurements performed with a scanning tunneling microscope in combination with density functional theory calculations. The surface structures formed on metal surface after halogen interaction are classified into three groups: chemisorbed
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Excess electrons in reduced rutile and anatase TiO2 Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-02-16 Wen-Jin Yin,Bo Wen,Chuanyao Zhou,Annabella Selloni,Li-Min Liu
As a prototypical photocatalyst, TiO2 is a material of scientific and technological interest. In photocatalysis and other applications, TiO2 is often reduced, behaving as an n-type semiconductor with unique physico-chemical properties. In this review, we summarize recent advances in the understanding of the fundamental properties and applications of excess electrons in reduced, undoped TiO2. We discuss
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Regulating the surface of nanoceria and its applications in heterogeneous catalysis Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-02-15 Yuanyuan Ma,Wei Gao,Zhiyun Zhang,Sai Zhang,Zhimin Tian,Yuxuan Liu,Johnny C. Ho,Yongquan Qu
Ceria (CeO2) as a support, additive, and active component for heterogeneous catalysis has been demonstrated to have great catalytic performance, which includes excellent thermal structural stability, catalytic efficiency, and chemoselectivity. Understanding the surface properties of CeO2 and the chemical reactions occurred on the corresponding interfaces is of great importance in the rational design
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Lab-based ambient pressure X-ray photoelectron spectroscopy from past to present Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-02-12 Chris Arble,Meng Jia,John T. Newberg
Chemical interactions which occur at a heterogeneous interface between a gas and substrate are critical in many technological and natural processes. Ambient pressure X-ray photoelectron spectroscopy (AP-XPS) is a powerful spectroscopy tool that is inherently surface sensitive, elemental and chemical specific, with the ability to probe sample surfaces in the presence of a gas phase. In this review,
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Electrokinetic mechanism of wettability alternation at oil-water-rock interface Surf. Sci. Rep. (IF 9.8) Pub Date : 2018-01-09 Huanhuan Tian,Moran Wang
Design of ions for injection water may change the wettability of oil-brine-rock (OBR) system, which has very important applications in enhanced oil recovery. Though ion-tuned wettability has been verified by various experiments, the mechanism is still not clear. In this review paper, we first present a comprehensive summarization of possible wettability alteration mechanisms, including fines migration
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Spin-wave resonance as a tool for probing surface anisotropies in ferromagnetic thin films: Application to the study of (Ga,Mn)As Surf. Sci. Rep. (IF 9.8) Pub Date : 2017-09-21 H. Puszkarski,P. Tomczak
In this paper we provide a concise review of present achievements in the study of spin-wave resonance (SWR) in ferromagnetic semiconductor (Ga,Mn)As thin films. The theoretical treatment of the experimental SWR data obtained so far concentrates specifically on the spherical surface pinning (SSP) model, in which the surface spin pinning energy is expressed by configuration angles (the out-of-plane polar
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Supramolecular self-assembly on the B-Si(111)-(√3x√3) R30° surface: From single molecules to multicomponent networks Surf. Sci. Rep. (IF 9.8) Pub Date : 2017-06-30 Younes Makoudi,Judicaël Jeannoutot,Frank Palmino,Frédéric Chérioux,Guillaume Copie,Christophe Krzeminski,Fabrizio Cleri,Bruno Grandidier
Understanding the physical and chemical processes in which local interactions lead to ordered structures is of particular relevance to the realization of supramolecular architectures on surfaces. While spectacular patterns have been demonstrated on metal surfaces, there have been fewer studies of the spontaneous organization of supramolecular networks on semiconductor surfaces, where the formation
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The fundamental surface science of wurtzite gallium nitride Surf. Sci. Rep. (IF 9.8) Pub Date : 2017-05-10 V.M. Bermudez
A review is presented that covers the experimental and theoretical literature relating to the preparation, electronic structure and chemical and physical properties of the surfaces of the wurtzite form of GaN. The discussion includes the adsorption of various chemical elements and of inorganic, organometallic and organic species. The focus is on work that contributes to a microscopic, atomistic understanding
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Electronic, structural and chemical effects of charge-transfer at organic/inorganic interfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2017-03-28 R. Otero,A.L. Vázquez de Parga,J.M. Gallego
During the last decade, interest on the growth and self-assembly of organic molecular species on solid surfaces spread over the scientific community, largely motivated by the promise of cheap, flexible and tunable organic electronic and optoelectronic devices. These efforts lead to important advances in our understanding of the nature and strength of the non-bonding intermolecular interactions that
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Use of molecular beams for kinetic measurements of chemical reactions on solid surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2017-03-15 Francisco Zaera
In this review we survey the contributions that molecular beam experiments have provided to our understanding of the dynamics and kinetics of chemical interactions of gas molecules with solid surfaces. First, we describe the experimental details of the different instrumental setups and approaches available for the study of these systems under the ultrahigh vacuum conditions and with the model planar
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Nanoparticle decoration with surfactants: Molecular interactions, assembly, and applications Surf. Sci. Rep. (IF 9.8) Pub Date : 2017-02-15 Hendrik Heinz,Chandrani Pramanik,Ozge Heinz,Yifu Ding,Ratan K. Mishra,Delphine Marchon,Robert J. Flatt,Irina Estrela-Lopis,Jordi Llop,Sergio Moya,Ronald F. Ziolo
Nanostructures of diverse chemical nature are used as biomarkers, therapeutics, catalysts, and structural reinforcements. The decoration with surfactants has a long history and is essential to introduce specific functions. The definition of surfactants in this review is very broad, following its lexical meaning “surface active agents”, and therefore includes traditional alkyl modifiers, biological
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Positrons in surface physics Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-10-04 Christoph Hugenschmidt
Within the last decade powerful methods have been developed to study surfaces using bright low-energy positron beams. These novel analysis tools exploit the unique properties of positron interaction with surfaces, which comprise the absence of exchange interaction, repulsive crystal potential and positron trapping in delocalized surface states at low energies. By applying reflection high-energy positron
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Surface chemistry of carbon dioxide revisited Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-09-30 William Taifan,Jean-François Boily,Jonas Baltrusaitis
This review discusses modern developments in CO2 surface chemistry by focusing on the work published since the original review by H.J. Freund and M.W. Roberts two decades ago (Surface Science Reports 25 (1996) 225–273). It includes relevant fundamentals pertaining to the topics covered in that earlier review, such as conventional metal and metal oxide surfaces and CO2 interactions thereon. While UHV
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Atomic scale characterization and surface chemistry of metal modified titanate nanotubes and nanowires Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-06-23 Ákos Kukovecz,Krisztián Kordás,János Kiss,Zoltán Kónya
Titanates are salts of polytitanic acid that can be synthesized as nanostructures in a great variety concerning crystallinity, morphology, size, metal content and surface chemistry. Titanate nanotubes (open-ended hollow cylinders measuring up to 200 nm in length and 15 nm in outer diameter) and nanowires (solid, elongated rectangular blocks with length up to 1500 nm and 30–60 nm diameter) are the most
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Surface chemistry of Au/TiO2: Thermally and photolytically activated reactions Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-05-05 Dimitar A. Panayotov,John R. Morris
The fascinating particle size dependence to the physical, photophysical, and chemical properties of gold has motivated thousands of studies focused on exploring the ability of supported gold nanoparticles to catalyze chemical transformations. In particular, titanium dioxide-supported gold (Au/TiO2) nanoparticles may provide the right combination of electronic structure, structural dynamics, and stability
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Iron oxide surfaces Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-04-30 Gareth S. Parkinson
The current status of knowledge regarding the surfaces of the iron oxides, magnetite (Fe3O4), maghemite (γ-Fe2O3), haematite (α-Fe2O3), and wüstite (Fe1−xO) is reviewed. The paper starts with a summary of applications where iron oxide surfaces play a major role, including corrosion, catalysis, spintronics, magnetic nanoparticles (MNPs), biomedicine, photoelectrochemical water splitting and groundwater
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How to control solid state dewetting: A short review Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-04-08 F. Leroy,Ł. Borowik,F. Cheynis,Y. Almadori,S. Curiotto,M. Trautmann,J.C. Barbé,P. Müller
In the past decade there have been many theoretical and experimental efforts to study the mechanisms of solid state dewetting, that means the spontaneous agglomeration of a thin solid film on a substrate into an assembly of 3D islands. The dewetting studies of solid films on solid substrates have not yet reached the degree of maturity achieved for liquids but there is now enough experimental data to
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Atomic layer deposition—Sequential self-limiting surface reactions for advanced catalyst “bottom-up” synthesis Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-04-06 Junling Lu,Jeffrey W. Elam,Peter C Stair
Catalyst synthesis with precise control over the structure of catalytic active sites at the atomic level is of essential importance for the scientific understanding of reaction mechanisms and for rational design of advanced catalysts with high performance. Such precise control is achievable using atomic layer deposition (ALD). ALD is similar to chemical vapor deposition (CVD), except that the deposition
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The nature of the air-cleaved mica surface Surf. Sci. Rep. (IF 9.8) Pub Date : 2016-03-22 Hugo K. Christenson,Neil H. Thomson
The accepted image of muscovite mica is that of an inert and atomically smooth surface, easily prepared by cleavage in an ambient atmosphere. Consequently, mica is extensively used a model substrate in many fundamental studies of surface phenomena and as a substrate for AFM imaging of biomolecules. In this review we present evidence from the literature that the above picture is not quite correct. The