Article
Chemistry, Multidisciplinary
Ales Cahlik, Jack Hellerstedt, Jesus Mendieta-Moreno, Martin Svec, Vijai M. Santhini, Simon Pascal, Diego Soler-Polo, Sigurdur Erlingsson, Karel Vyborny, Pingo Mutombo, Ondrej Marsalek, Olivier Siri, Pavel Jelinek
Summary: In hydrogen-bonded systems, nuclear quantum effects have a significant impact on the material properties by enhancing the mechanical stability of molecular chains and creating distinctive electronic states. This offers opportunities for deeper understanding and utilization of these systems.
Article
Chemistry, Multidisciplinary
Sergey Y. Sarvadii, Andrey K. Gatin, Vasiliy A. Kharitonov, Nadezhda Dokhlikova, Sergey A. Ozerin, Maxim Grishin, Boris R. Shub
Summary: The study investigated the adsorption of CO on the surface of Cu-based nanoparticles under the presence of an external electric field. It was demonstrated that the size of the nanoparticle is a key factor affecting the adsorption process, particularly the strength of the local electric field close to the surface.
Article
Chemistry, Physical
Luca Nanni
Summary: Proton transfer via tunneling in hydrogen bonds is a phenomenon that occurs in many chemical compounds and biological systems, explaining various molecular properties. However, it is challenging to formulate a mathematical model to explain the mechanism due to the complexity of these systems. This study proposes a path decomposition expansion-based approach to model proton transfer reactions in multidimensional space, simplifying the investigation of complex phenomena.
Article
Chemistry, Multidisciplinary
Shanchao Tan, Wendi Luo, Yongjie Zhang, Xiang-Kui Ren, Yuhong Liu, Zhijian Chen, Qingdao Zeng
Summary: The self-assembly process of a BODIPY derivative functionalized with uracil groups was thoroughly investigated using STM and DFT methods. The formation of hydrogen bonds between uracil groups was identified as the key factor contributing to the construction of ordered self-assembly structure. Additionally, the nanotribological property of the self-assembly on HOPG surface was measured using AFM.
FRONTIERS IN CHEMISTRY
(2021)
Article
Chemistry, Physical
T. V. Pavlova, V. M. Shevlyuga, B. V. Andryushechkin, K. N. Eltsov
Summary: This study reports the removal of individual halogen atoms from Si(100)-2x1-Cl and -Br surfaces in STM. The charge states of DBs formed on the Si surface can be manipulated, allowing for tuning the reactivity of the Cl- and Br-terminated surfaces.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Nicolas Neel, Joerg Kroeger
Summary: The study revealed that the formation of a chemical bond between a CO molecule and a Cu(111) surface is accompanied by bending of the molecular probe due to van der Waals attraction and Pauli repulsion, resulting in characteristic changes in the vertical force between CO and Cu(111) as a function of molecule-surface distance. Experimental data were successfully reproduced by model calculations, shedding new light on vertical-force extrema in scanning probe experiments.
Article
Electrochemistry
Zhuo Tan, Kaixuan Li, Yuanhui Xiao, Yu Gu, Ziang Nan, Weiwei Wang, Lan Sun, Deyin Wu, Bingwei Mao, Jiawei Yan
Summary: The electrochemical behaviors of Au(100) electrode in two choline chloride-based deep eutectic solvents (DESs) ethaline and reline have been studied by cyclic voltammetry and in situ scanning tunneling microscopy (STM). An order-order phase transition of chloride ion adlayer was observed in ethaline, while an order-disorder phase transition was observed in reline. Gold nanowires could form and stably exist on Au(100) surface in reline, which is different from that formed on Au(111) surface. The arrangement of gold atoms on the electrode surface and chloride ions in the innermost Stern plane can be affected by hydrogen bond donor molecules and the surface crystallography of the electrode interface.
ELECTROCHIMICA ACTA
(2023)
Article
Chemistry, Physical
Ruoning Li, Xue Zhang, Na Xue, Jie Li, Tianhao Wu, Zhen Xu, Yifan Wang, Na Li, Hao Tang, Shimin Hou, Yongfeng Wang
Summary: Metal-organic nanostructures on surfaces are structurally stable and have potential applications. Metal atoms can come from externally deposited metals or native surface atoms. Currently, these nanostructures mainly consist of Au or Cu, with fewer consisting of Ag. Further investigations are needed for accurate control of the desired nanostructures.
ACTA PHYSICO-CHIMICA SINICA
(2022)
Article
Chemistry, Multidisciplinary
Lei-Lei Nian, Tao Wang, Jing-Tao Lu
Summary: This study theoretically predicts that the emitted light from the plasmon mode in an STM single molecular junction can be squeezed with reduced quantum fluctuations under external laser drive. By selectively exciting energy levels, the squeezed plasmon can exhibit sub-or superPoissonian statistical properties. It is also demonstrated that the molecular excitonic mode can be squeezed simultaneously.
Article
Physics, Applied
Liuxia Ruan, Junwei Tong, Wenzhen Yang, Fubo Tian, Xianmin Zhang
Summary: DyPc2 and (DyPc2CH2Cl2)-C-center dot were prepared using the solvent thermal method. X-ray diffractometer and Fourier transform infrared spectrometer were used to explore the structure changes between DyPc2 and (DyPc2CH2Cl2)-C-center dot. The different molecular environment affects the structure and magnetism of single-molecule magnets, as demonstrated by the twist angles and magnetic relaxation measurements.
JOURNAL OF APPLIED PHYSICS
(2023)
Article
Chemistry, Multidisciplinary
Jinkyung Kim, Kyungju Noh, Yi Chen, Fabio Donati, Andreas J. Heinrich, Christoph Wolf, Yujeong Bae
Summary: Hyperfine interactions have been widely used as a sensitive probe to local chemical environments in material science, organic chemistry, and structural biology. In this study, the authors used a scanning tunneling microscope combined with electron spin resonance to measure hyperfine spectra at the single-atom level, revealing significant spatial anisotropy of the hyperfine interactions.
Article
Chemistry, Multidisciplinary
Katerina Vaxevani, Jingcheng Li, Stefano Trivini, Jon Ortuzar, Danilo Longo, Dongfei Wang, Jose Ignacio Pascual
Summary: The study shows that a proximity-induced superconducting gold film can sustain spin excitations of a FeTPP-Cl molecule for over 80 ns, which decreases with increasing film thickness. This suggests potential new routes for manipulating the spin lifetime of quantum spins on surfaces using proximitized gold electrodes.
Article
Chemistry, Multidisciplinary
Katerina Vaxevani, Jingcheng Li, Stefano Trivini, Jon Ortuzar, Danilo Longo, Dongfei Wang, Jose Ignacio Pascual
Summary: This study demonstrates that the use of proximitized superconducting gold film can prolong the spin excitation lifetime of FeTPP-Cl molecule to more than 80 ns. The research findings suggest that increasing film thickness and decreasing superconducting gap will reduce the spin lifetime.
Article
Chemistry, Multidisciplinary
Yi-Ying Sung, Harmina Vejayan, Christopher J. Baddeley, Neville V. Richardson, Federico Grillo, Renald Schaub
Summary: On-surface synthesis with designer precursor molecules is an effective method for preparing graphene nanoribbons (GNRs) with tunable electronic properties. The band gap of GNRs doped with heteroatoms remains unchanged, but hydrogenation can engineer a tunable band gap. Surface-confined hydrogenation studies on 7-armchair GNRs grown on Au(111) surfaces reveal a self-limited hydrogenation process. The electronic properties of the GNR/Au(111) system can be modified by edge and basal-plane hydrogenation, and a mechanism for the hydrogenation process is proposed.
Article
Chemistry, Physical
Takashi Ikeda
Summary: In this study, the crystal structure of the C-0 phase of H-2 hydrate was evaluated through first-principles path-integral based molecular dynamics simulations, which showed a hexagonal unit cell in agreement with experimental results. The fractional coordinates of H2O molecules matched well with experiments, supporting the presence of interpenetrating spiral chains of H-bonded water molecules. Despite limitations in the linear response theory used for computing Raman spectra, there was at least a qualitative agreement with observed experimental results.
CHEMICAL PHYSICS LETTERS
(2021)
Article
Chemistry, Physical
Jing Guo, Ke Bian, Zeren Lin, Ying Jiang
JOURNAL OF CHEMICAL PHYSICS
(2016)
Article
Physics, Condensed Matter
Jinbo Peng, Jing Guo, Runze Ma, Xiangzhi Meng, Ying Jiang
JOURNAL OF PHYSICS-CONDENSED MATTER
(2017)
Article
Multidisciplinary Sciences
Jinbo Peng, Duanyun Cao, Zhili He, Jing Guo, Prokop Hapala, Runze Ma, Bowei Cheng, Ji Chen, Wen Jun Xie, Xin-Zheng Li, Pavel Jelinek, Li-Mei Xu, Yi Qin Gao, En-Ge Wang, Ying Jiang
Article
Chemistry, Multidisciplinary
Duanyun Cao, Yizhi Song, Jinbo Peng, Runze Ma, Jing Guo, Ji Chen, Xinzheng Li, Ying Jiang, Enge Wang, Limei Xu
FRONTIERS IN CHEMISTRY
(2019)
Article
Multidisciplinary Sciences
Runze Ma, Duanyun Cao, Chongqin Zhu, Ye Tian, Jinbo Peng, Jing Guo, Ji Chen, Xin-Zheng Li, Joseph S. Francisco, Xiao Cheng Zeng, Li-Mei Xu, En-Ge Wang, Ying Jiang
Article
Chemistry, Physical
Jing Guo, Duanyun Cao, Ji Chen, Ke Bian, Li-Mei Xu, En-Ge Wang, Ying Jiang
JOURNAL OF CHEMICAL PHYSICS
(2020)
Article
Multidisciplinary Sciences
Jian Peng, Bili Chen, Zhichang Wang, Jing Guo, Binghui Wu, Shuqiang Hao, Qinghua Zhang, Lin Gu, Qin Zhou, Zhi Liu, Shuqin Hong, Sifan You, Ang Fu, Zaifa Shi, Hao Xie, Duanyun Cao, Chang-Jian Lin, Gang Fu, Lan-Sun Zheng, Ying Jiang, Nanfeng Zheng
Article
Chemistry, Physical
Jia Dong, Pu Yang, Chen Zhang, Duanyun Cao, Ying Jiang, Jing Guo
Summary: The solvation of amphiphile molecules plays a crucial role in various physical, chemical, and biological processes. This study investigated the interfacial effects on molecular solvation using qPlus-based noncontact atomic force microscopy and discovered ordered water-methanol clusters formed on Cu(110) and Cu(111) surfaces. It was found that water and methanol were incompletely mixed on the Cu(110) surface, while methanol could be solvated within the water hydrogen-bonding network on the Cu(111) surface, resulting in molecular-scale complete mixing. Density functional theory calculations revealed that the complete mixing was induced by the weaker interaction between the complex and the Cu(111) substrate. This work provides insights into the fine-tuning of molecular solvation behavior through proper interfacial engineering.
JOURNAL OF PHYSICAL CHEMISTRY C
(2022)
Review
Chemistry, Physical
Jinbo Peng, Jing Guo, Runze Ma, Ying Jiang
Summary: Water-solid interfaces are crucial in various scientific and application fields. Atomic force microscopy (AFM) has greatly enhanced our understanding of water-solid interfaces at the molecular scale. This review focuses on recent advances in probing water-solid interfaces using noncontact AFM, particularly highlighting the imaging of interfacial water with ultrahigh spatial resolution. Furthermore, the development of qPlus-based AFM with functionalized tips enables direct imaging of the H-bonding skeleton of interfacial water in ultrahigh vacuum (UHV) environments. The use of three-dimensional (3D) AFM with low-noise cantilever deflection sensors allows atomic resolution imaging at liquid/solid interfaces, providing the possibility to investigate hydration layer structures under realistic conditions.
SURFACE SCIENCE REPORTS
(2022)
Review
Chemistry, Multidisciplinary
Jing Guo, Ying Jiang
Summary: Water-solid interfaces play crucial roles in chemical and physical processes. With the use of scanning probe microscopy, molecular-level understanding of water structure and dynamics on solid surfaces has been achieved. The development of high-resolution microscopy and atomic force microscopy has enabled the study of hydrogen positions and proton transfer dynamics.
ACCOUNTS OF CHEMICAL RESEARCH
(2022)
Article
Physics, Multidisciplinary
Pu Yang, Chen Zhang, Wenyu Sun, Jia Dong, Duanyun Cao, Jing Guo, Ying Jiang
Summary: In this study, the formation of 2D bilayer hexagonal ice (BHI) on gold surfaces with 1D corrugation was observed using noncontact atomic force microscopy. The first wetting layer displayed a hexagonal arrangement on the Au(110)-1 x 2 surface, and with the deposition of more water molecules, the layer rearranged and shrunk, resulting in the formation of buckled BHI. The study also revealed the stability of BHI on the Au(100)-5 x 28 surface, demonstrating the unexpected generality of BHI on corrugated surfaces with nonhexagonal symmetry.
PHYSICAL REVIEW LETTERS
(2022)
Article
Multidisciplinary Sciences
Ye Tian, Jiani Hong, Duanyun Cao, Sifan You, Yizhi Song, Bowei Cheng, Zhichang Wang, Dong Guan, Xinmeng Liu, Zhengpu Zhao, Xin-Zheng Li, Li-Mei Xu, Jing Guo, Ji Chen, En-Ge Wang, Ying Jiang
Summary: The nature of hydrated proton on solid surfaces has been visualized using cryogenic qPlus-based atomic force microscopy. Eigen cations self-assemble into monolayer structures with local order, while Zundel cations form long-range ordered structures stabilized by nuclear quantum effects. It is found that Zundel configuration is preferred over Eigen on Pt(111), but such preference is absent on Au(111).
Article
Physics, Multidisciplinary
You Si-Fan, Sun Lu-Ye, Guo Jing, Qiu Xiao-Hui, Jiang Ying
ACTA PHYSICA SINICA
(2019)
Review
Physics, Multidisciplinary
Sifan You, Jing-Tao Lu, Jing Guo, Ying Jiang
ADVANCES IN PHYSICS-X
(2017)