Xiao‐Xiao Fu

Shandong Normal University

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Chuan‐Kui Wang

Shandong Normal University

Mi‐Mi Dong

Shandong Normal University

Zong‐Liang Li

Shandong Normal University

Guang‐Ping Zhang

Shandong Normal University

Fu‐Pei Liang

Guangxi Normal University

Hai‐Ling Wang

Guangxi University

Hua‐Hong Zou

Guangxi Normal University

Yue Niu

Jiangsu University of Science and Technology

Hang He

Shandong Normal University

Weibin Cui

Northeastern University

Cooperative Institutions

Northeastern University

Shandong Normal University

Chinese Academy of Sciences

Chongqing University

Wuhan University

Xi'an Jiaotong University

Guangxi Normal University

Universidad del Noreste

University of Science and Technology of China

Shandong University

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Regulating the slow magnetic relaxation behavior of two different shapes Dy₄clusters with in situ formed penta‐ and heptadentate Schiff base ligands

Applied Organometallic Chemistry (2020)

Zhong‐Hong Zhu Hai‐Ling Wang Xiao‐Xiao Fu Hua‐Hong Zou Fu‐Pei Liang

The design and synthesis of clusters possessing the same number of cores but different connection methods and properties have always been difficult. Herein, we used 2‐pyridinaldehyde, 1,3‐diamino‐2‐propanol, and Dy (ClO 4 ) 3 ·6H 2 O at room temperature (RT) to obtain the cluster [Dy 4 (L 1 ) 4 ( μ 2 ‐OH) 4 ]·4ClO 4 − ( 1 , HL 1 = 2‐pyridinecarboxaldehyde‐1,3‐diamino‐2‐propanol) with square Dy 4 O 8 cluster cores. Cluster 1 consisted of four Schiff base ligands (L 1 ) − , four Dy(III) ions, four bridged ( μ 2 ‐OH) − , and four free ClO 4 − . The ligand HL 1 was formed by in situ Schiff base reaction with 2‐pyridinecarbaldehyde and 1,3‐diamino‐2‐propanol in the presence of Dy(III) ions. 2‐Aldehyde‐8‐hydroxyquinoline, 1,3‐diamino‐2‐propanol, and Dy (NO 3 ) 3 ·6H 2 O reacted at RT to yield a tetranuclear Dy(III) cluster [Dy 4 (L 2 ) 2 ( μ 3 ‐OH) 2 (NO 3 ) 4 (EtOH) 2 ]·2CH 3 CN ( 2 , H 3 L 2 = 2‐aldehyde‐8‐hydroxyquinoline‐1,3‐diamino‐2‐propanol) with butterfly‐shaped Dy 4 O 6 cluster core. Cluster 2 consisted of two ligands (L 2 ) 3− , four Dy(III) ions, two bridged μ 3 ‐OH, two end‐group‐coordinated ethanol molecules, and four bidentate‐chelated NO 3 − . The in situ reaction of 2‐aldehyde‐8‐hydroxyquinoline and 1,3‐diamino‐2‐propanol under Dy(III) ion‐assisted catalytic conditions provided the ligand H 3 L 2 . It is worth noting that the magnetic test showed that 1 is a typical single‐molecule magnet (SMM), whereas 2 only showed a significant frequency dependence behavior. We considered Orbach and Raman processes ( τ −1 = τ 0 −1 exp(− U eff / k B T ) + CT n ) to fit 1 and 2 in the high‐temperature range and obtained U eff = 7.01 and 5.43 K and τ 0 = 1.18 × 10 −4 and 4.14 × 10 −5 s, respectively.

Propanol

Dysprosium

10.1002/aoc.5808

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CCDC 1036147: Experimental Crystal Structure Determination

The Cambridge Structural Database (2017)

Xiao‐Xiao Fu Hai‐Ling Wang Hua‐Hong Zou Han-Bai Quan Bo Li

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc13s636

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Modulating the electronic structures of blue phosphorene towards spintronics

Physical Chemistry Chemical Physics (2019)

Xiangqian Lu Chuan‐Kui Wang Xiao‐Xiao Fu

Modulation of the electronic and magnetic structure of blue phosphorene nanoribbons to explore the potential application in spintronics is appealing.

Phosphorene

10.1039/c9cp01684h

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Citations (22)

Structural, magnetic properties of in-plane chemically ordered (Mo2/3R)2AlC (R = Gd, Tb, Dy, Ho, Er and Y) MAX phase and enhanced capacitance of Mo1.33C MXene derivatives

Carbon (2021)

Jiaxin Yang Guiquan Yao Shuli Sun Zhaohui Chen Shuang Yuan

Monoclinic crystal system

10.1016/j.carbon.2021.03.062

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Citations (33)

Anisotropic interfacial properties of monolayer C₂N field effect transistors

Physical Chemistry Chemical Physics (2020)

Mi‐Mi Dong Guang‐Ping Zhang Zong‐Liang Li Minglang Wang Chuan‐Kui Wang

Monolayer C₂N is promising for next-generation electronic and optoelectronic applications due to its appropriate band gap and high carrier efficiency.

10.1039/d0cp04450d

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Low-bias conductance mechanism of diarylethene isomers: A first-principle study

Chinese Journal of Chemical Physics (2020)

Minglang Wang Guang‐Ping Zhang Xiao‐Xiao Fu Chuan‐Kui Wang

The structure-property relationship of diarylethene (DAE)-derivative molecular isomers, which involve ring-closed and ring-open forms, is investigated by employing the non-equilibrium Green’s function formalism combined with density functional theory. Molecular junctions are formed by the isomers connecting to Au(111) electrodes through flanked pyridine groups. The difference in electronic structures caused by different geometry structures for the two isomers, particularly the interatomic alternative single bond and double bond of the ring-closed molecule, contributes to the vastly different low-bias conductance values. The lowest unoccupied molecular orbital (LUMO) of the isomers is the main channel for electron transport. In addition, more electrons transferred to the ring-closed molecular junction in the equilibrium condition, thereby decreasing the LUMO energy to near the Fermi energy, which may contribute to a larger conductance value at the Fermi level. Our findings are helpful for understanding the mechanism of low-bias conductance and are conducive to the design of high-performance molecular switching based on diarylethene or diarylethene-derivative molecules.

Diarylethene

HOMO/LUMO

10.1063/1674-0068/cjcp1911204

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Prediction of Semiconducting 2D Nanofilms of Janus WSi₂P₂As₂ for Applications in Sub-5 nm Field-Effect Transistors

ACS Applied Nano Materials (2023)

Mi‐Mi Dong Hang He Yue Niu Chuan‐Kui Wang Xiao‐Xiao Fu

Searching for eligible two-dimensional (2D) semiconductors to fabricate high-performance (HP) short-channel field-effect transistors (FETs) at the nanoscale is essential toward the continuous miniaturization of devices. Herein, we predict the 2D Janus WSi2P2As2 semiconductor and propose it as a qualified channel material for sub-5 nm FETs by using first-principles calculations. The results demonstrate that the monolayer Janus WSi2P2As2 is a 2D semiconducting nanofilm with a band gap of 0.83 eV, a hole mobility of 490 cm2 V–1 s–1 in the armchair direction, and an out-of-plane polarization. Benefiting from these outstanding intrinsic characteristics, the performance of the 5 and 3 nm gate-length WSi2P2As2 FETs can fulfill the International Technology Roadmap for Semiconductors for HP standards after employing optimizing strategies, including underlap structure, dielectric project, and cold source. Our results promote the development of new 2D nanomaterials and device architectures for designing HP short-channel FETs.

Nanomaterials

Electron Mobility

10.1021/acsanm.2c03803

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Effect of Gate Electric Field on Single Organic Molecular Devices

Chinese Journal of Chemical Physics (2013)

Zong‐Liang Li Xiao‐Xiao Fu Guang‐Ping Zhang Chuan‐Kui Wang

Based on the first-principles computational method and elastic scattering Green's function theory, we have investigated the effect of gate electric field on electronic transport properties of a series of single organic molecular junctions theoretically. The numerical results show that the molecular junctions that have redox centers and relatively large dipole moments parallel gate direction can respond to the gate electric field remarkably. The current-voltage properties of 2,5-dimethyl-thiophene-dithiol present N-channel-metal-oxide-semiconductor-like characteristics. Its distinct current-voltage properties can be understood from the evolution of eigenvalues, coupling energies, and atomic charges with gate electric field.

Organic semiconductor

Molecular Electronics

10.1063/1674-0068/26/02/185-190

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Citations (22)

Peaks and troughs: Are heart rate cues more attractive to tourists?

Tourism Management (2024)

Xingyang Lv Ping Feng Qiuxia Chen Xiaoting Huang Xiao‐Xiao Fu

10.1016/j.tourman.2024.105098

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[DNA methylation of HDAC4 gene affects the trans-differentiation process of hMSCs into sweat gland like cells].

PubMed (2018)

Huan-Jun Zhao Lu Ding Xiao‐Xiao Fu Huiying Wang Cuiping Zhang

To investigate the changesof DNA methylation in histone deacetylases 4 gene (HDAC4) and its effectduring the trans-differentiation process of human mesenchymal stem cells (hMSCs) into sweat gland like cells (SGLCs).Selected cell lines of human mesenchymal stem cells (hMSCs) were cultured and expended in vitro, the third generation ofhMSCs and heat-shocked sweat gland cells were picked up, and were co-culturedwith adding inducible factor in the transwell chamber. The sweat gland like cells (SGLCs)in experiment group and the hMSCs in control group were collected, the changes of DNA methylation degree of CpG dinucleotide sitesin histone deacetylases 4 gene (HDAC4) promotor were detected by methylation specific PCR (MSP)andMaldi-TOF Mass Array. And then, the hMSCs in experiment group were treated with 5-aza-CdR (5-aza-2-deoxycytidine, 10 μmol/L), while the hMSCsin control group were culturedwith PBS at the same time. ThemRNA expressions of HDAC4 gene and carcino-embryonic antigen (CEA)gene in the two groups were measured by RT-PCR.The methylation of HDAC4gene in hMSCs was in high level before induction, the methylation degreeof CpG dinucleotide sites located in cg2463009 was 0.901, and the methylation degree of HDAC4gene in SGLCs was markedly decreased by 37% after induction, which was 0.531. The methylationlevel of CpG dinucleotide sites located in cg14823429was changed from 0.687to 0.386 after induction. The mRNA expression of HDAC4 gene was upregulated in test group after treated with 5-aza-CdR for 48 hours, the mRNA expression of CEA gene related with transdifferentiation was enhanced too at the same term, there was significantly statistic difference compared with control group (P<0.05).Methylation of HDAC4 gene participates in the regulation of the trans-differentiation of hMSCs into sweet gland like cells.

CpG site

Transdifferentiation

Bisulfite sequencing

10.12047/j.cjap.5584.2018.082

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