Bulletin of Materials Science最新文献_第7页

Exfoliation of bentonite clay by ultrasonication and evaluation of the polypropylene-based composites manufactured thereof 膨润土粘土的超声剥离及其聚丙烯基复合材料的评价

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-04-16 DOI: 10.1007/s12034-025-03410-9

Santoshi Mohanta, Shah Hussain, Pankaj Lochan Sarangi, Shyama Prasad Mohanty

{"title":"Exfoliation of bentonite clay by ultrasonication and evaluation of the polypropylene-based composites manufactured thereof","authors":"Santoshi Mohanta, Shah Hussain, Pankaj Lochan Sarangi, Shyama Prasad Mohanty","doi":"10.1007/s12034-025-03410-9","DOIUrl":"10.1007/s12034-025-03410-9","url":null,"abstract":"<div>Clays are layered structure and the layers can be separated by mechanical or chemical processes. In the present study, bentonite clay (BC) has been exfoliated by ultrasonication with distilled water as a medium. Sonication has been carried out for 30, 60 and 120 min. The clay samples have been characterized by X-ray diffraction, scanning electron microscopy and thermal analysis for phase, morphology and thermal stability, respectively. Sonication for 60 min leads to a better exfoliation and reduction in particle size of the clay. The clay powders have been utilized to prepare composites with polypropylene (PP). Compounding has been performed using a twin screw extruder by melt mixing technique and composite specimens have been prepared by the injection moulding technique. Tensile strength, Izod impact strength, hardness along with density have been evaluated for composites. It has been observed that the sample prepared with BC sonicated for 60 min shows the optimum properties due to better exfoliation of clay. Enhancement in tensile and impact strength has been 10.2% and 11.9% for the aforementioned composite as compared to untreated bentonite clay-based composite.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A theoretical study on the efficiency of DSSC, based on the contact of sensitive ruthenium dye N719 with TiO2 hetero junction using an electron transfer process 基于电子转移过程中钌敏感染料N719与TiO2异质结的接触，对DSSC效率进行了理论研究

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-04-11 DOI: 10.1007/s12034-025-03409-2

Mudhafar Jebur Ali, Hadi J M Al-Agealy, Hossain Milani Moghaddam

{"title":"A theoretical study on the efficiency of DSSC, based on the contact of sensitive ruthenium dye N719 with TiO2 hetero junction using an electron transfer process","authors":"Mudhafar Jebur Ali, Hadi J M Al-Agealy, Hossain Milani Moghaddam","doi":"10.1007/s12034-025-03409-2","DOIUrl":"10.1007/s12034-025-03409-2","url":null,"abstract":"<div>This work aims to study and calculate the efficiency of ruthenium dye-sensitized Ru(N719)-TiO2 solar cells (DSSCs) based on quantitative theoretical approach to electron transfer in a hetero junction device. The J–V characteristics of Ru(N719)-TiO2 hetero junction-based DSSC were calculated to solve the current density equation using MATLAB software. The energy levels of two materials in Ru(N719)-TiO2 hetero junction device were assumed to be continuous levels for this purpose. Generally, the current and current density increased with increasing coupling constant. The efficiency of Ru(N719)-TiO2 DSSC depends on many parameters. Transition energy, coupling constant and concentration play a critical role in the calculation of current density and fill factor and performance of Ru(N719)-TiO2 DSSC. The results show a maximum efficiency in contacting ruthenium Ru(N719) with TiO2 DSSC appeared at concentration (7 times 10^{18} ; {text{cm}}^{ - 3}) compared to the low efficiency at low concentration (3 times 10^{18} ;{text{cm}}^{ - 3}). These results showed that high concentration can increase the resulting efficiency value. The Ru(N719)-TiO2 DSSC using acetonitrile solvent at a low carrier concentration of (3 times 10^{18} ;{text{cm}}^{ - 3}) demonstrates a low open circuit voltage and shortest circuit current density with a low fill factor under an optical density of (100 mW cm−2) at (AM 1.5) and minimum overall solar energy conversion efficiency Ru(N719)-TiO2 DSSC, at higher carrier concentration of about (7 times 10^{18} ;{text{cm}}^{ - 3}) show high open circuit voltage and current density with a high fill factor to produce maximum solar energy conversion efficiency.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143818154","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of nickel doping in cobalt titanate on structural and magnetic properties for microwave-absorbing application 钛酸钴中掺杂镍对吸波材料结构和磁性能的影响

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-04-02 DOI: 10.1007/s12034-025-03407-4

Yunasfi, Annisa Intan Fhadilla, Ramlan, Mashadi, Ade Mulyawan, Didin S Winatapura, Jan Setiawan, Wisnu Ari Adi, MP Izaak, YE Gunanto

{"title":"Effect of nickel doping in cobalt titanate on structural and magnetic properties for microwave-absorbing application","authors":"Yunasfi, Annisa Intan Fhadilla,  Ramlan,  Mashadi, Ade Mulyawan, Didin S Winatapura, Jan Setiawan, Wisnu Ari Adi, MP Izaak, YE Gunanto","doi":"10.1007/s12034-025-03407-4","DOIUrl":"10.1007/s12034-025-03407-4","url":null,"abstract":"<div>Pure and Ni-doped CoTiO3 powders with a nominal composition of the Co(1–x)NixTiO3 (with x = 0.00; 0.25; 0.50 and 0.75) were prepared by mechanical milling using solid-state reaction from NiO, Co3O4 and TiO2 powders as raw materials in mole ratio. The effect of Ni2+ doping on structural, particle morphology, elemental composition, magnetic properties and microwaves absorption characteristics of Co(1–x)NixTiO3 was investigated by X-ray diffraction, scanning electron microscope, energy dispersive spectroscopy, Raman spectroscopy, vibration samples magnetometer and vector network analyzer, respectively. It was found that all fabricated samples show in single phase with hexagonal structure. However, with the presence of Ni2+ ions dopant, the particle size and saturation magnetization (Ms) values decrease, whereas the microwave absorption capability increases.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143749226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dielectric properties and AC conductivity behaviour of rare earth-substituted yttrium strontium silicate oxy-apatite 稀土取代硅酸锶钇氧磷灰石的介电性能和交流导电性

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-04-01 DOI: 10.1007/s12034-025-03413-6

Ritu Gupta, Sadhana Agrawal

{"title":"Dielectric properties and AC conductivity behaviour of rare earth-substituted yttrium strontium silicate oxy-apatite","authors":"Ritu Gupta, Sadhana Agrawal","doi":"10.1007/s12034-025-03413-6","DOIUrl":"10.1007/s12034-025-03413-6","url":null,"abstract":"<div>The dielectric properties and AC conductivity behaviour of yttrium strontium silicate oxy-apatite (YSSO) compounds substituted with europium ions as rare earth, Y8–xSr2(SiO4)6O2: xEu, x = 0, 0.10, 0.15, 0.20, 0.25 and 0.30 mol% (YSSO: xEu), prepared by solution combustion method has been reported here. The XRD and Rietveld refinement patterns confirmed the formation of a hexagonal closed-packed structure with space group P63/m and space group number 176. The morphological analysis was carried out by scanning electron microscopy, which showed random distribution of particles. The elemental analysis was done by EDXS, which gave the atomic% and weight% of all the initial elements present in the compound. The frequency- and temperature-dependent dielectric parameters (dielectric loss and dielectric constant) of the compounds have been carried out from 100 Hz to 100 kHz and from 50 to 500°C. Both of the dielectric parameters showed a decreasing trend with an increase in frequency. The highest dielectric loss value at a temperature of 500°C was obtained at ~4 for the undoped YSSO compound, and it reduced to ~1 after doping with x = 0.15 mol% of Eu3+ in YSSO: xEu compound. Impedance spectroscopy showed that the impedance values decreased with increasing frequency, resulting in an increase in electrical conductivity. The Nyquist plot indicated that the resistance contribution is dominant from the grain boundary effect and also, the NTCR behaviour of YSSO: xEu compounds was observed. The obtained low activation energy values (~0.04 eV) and low dielectric loss (~0.01–0.06) in high frequency across a broad temperature range indicate that the YSSO: xEu oxy-apatites can be used as paraelectric capacitors, electric power loss component, etc.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143740891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electron transport in fullerene-terminated tetracene molecular junction: a DFT study 富勒烯端端四烯分子结中的电子传递：DFT研究

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-04-01 DOI: 10.1007/s12034-025-03416-3

Sukhdeep Kaur, Rupendeep Kaur, Saksham Chaudhary, Rahul Sharma, Khusveen Kaur

{"title":"Electron transport in fullerene-terminated tetracene molecular junction: a DFT study","authors":"Sukhdeep Kaur, Rupendeep Kaur, Saksham Chaudhary, Rahul Sharma, Khusveen Kaur","doi":"10.1007/s12034-025-03416-3","DOIUrl":"10.1007/s12034-025-03416-3","url":null,"abstract":"<div>By applying non-equilibrium green’s function (NEGF) formalism combined with density functional theory (DFT), this study aims to investigate and compare the electron transport properties of tetracene molecules anchored with C20, C24 and C28 fullerene molecules. The results indicate that tetracene molecule exhibits metallic behaviour with C20 anchors, whereas C24 and C28 fullerenes, respectively, show semi-metallic and non-metallic nature. Various attributes such as transmission spectrum, density of states (DOS), molecular projected self-consistent Hamiltonian (MPSH) eigen states, conductance and current characteristics conclude that shifting of the molecular orbitals with variations in the bias voltage determines the current spectrum. The nonlinearity in the I–V curve and troughs in the G–V curve are attributed to the transitions seen in the active molecular orbitals, resulting in a variation in the HOMO–LUMO gap. Further, a multifunctional behaviour showing a clear negative differential resistance region with peak-to-valley current ratio of 1.70 and rectifying performance with a rectification ratio of 1.45 in the case of C20–tetracene–C20 molecular junction is observed. These results will pave a new road map for developing versatile molecular devices with targeted properties.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143740890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of casting moulds on grain morphology, mechanical and tribological properties of Sn–Cu alloy 铸型对锡铜合金晶粒形貌、力学性能和摩擦学性能的影响

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-03-26 DOI: 10.1007/s12034-025-03412-7

J M Channaveera Swamy, Veerabhadrappa Algur, Satyanarayan, M C Kumarswamy

引用次数: 0

Role of electric fields on electronic bound states and linear and nonlinear optical responses of a laser-dressed GaAsSb-based valence-band Morse quantum well 电场对激光修饰gaassb基价带Morse量子阱的电子束缚态及线性和非线性光学响应的影响

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-03-22 DOI: 10.1007/s12034-025-03408-3

Amin Attarzadeh, Azadeh Haghighatzadeh

{"title":"Role of electric fields on electronic bound states and linear and nonlinear optical responses of a laser-dressed GaAsSb-based valence-band Morse quantum well","authors":"Amin Attarzadeh, Azadeh Haghighatzadeh","doi":"10.1007/s12034-025-03408-3","DOIUrl":"10.1007/s12034-025-03408-3","url":null,"abstract":"<div>An approximate solution to the position-dependent effective mass one-dimensional Schrödinger equation was obtained using the BenDaniel and Duke technique under a Morse potential. The modelling was conducted in a GaAsSb-based valence-band quantum well to investigate the combined effects of non-resonant intense laser fields and externally applied electric fields. For the first time, the spatial dependence of the effective mass of a heavy hole was estimated relative to the Morse geometry of the confinement potential. The Schrödinger equation was solved to examine the electronic bound states and the corresponding wave functions using the Finite Element Method, incorporating the Kramers–Henneberger transformation and the Floquet method. Utilizing the density matrix formalism, the linear and third-order nonlinear optical responses were evaluated by calculating light absorption coefficients and refractive index changes under externally applied laser and electric fields. The electronic studies revealed that the laser-dressed confinement effects were diminished in the presence of a positive electric field, while enhanced confinement effects were observed when the laser-dressed quantum well was exposed to a negative electric field. Additionally, the laser-dressed optical responses were found to be red-shifted with a positive electric field and blue-shifted with a negative electric field.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143668394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Bioengineered Y2O3 nanorods and their potential blue-emitting phosphors 生物工程 Y2O3 纳米棒及其潜在的蓝色发光荧光粉

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-03-22 DOI: 10.1007/s12034-025-03406-5

Abdoulaye Diallo, Sossé Ndiaye, Teddy Tite, Uğur Yahşi, Victor Constantin Diculescu, Adama Seck, Allé Dioum, Balla Diop Ngom, Ishaq Ahmad, Aurelian-Catalin Galca, Shohreh Azizi

{"title":"Bioengineered Y2O3 nanorods and their potential blue-emitting phosphors","authors":"Abdoulaye Diallo, Sossé Ndiaye, Teddy Tite, Uğur Yahşi, Victor Constantin Diculescu, Adama Seck, Allé Dioum, Balla Diop Ngom, Ishaq Ahmad,  Aurelian-Catalin Galca, Shohreh Azizi","doi":"10.1007/s12034-025-03406-5","DOIUrl":"10.1007/s12034-025-03406-5","url":null,"abstract":"<div>This article describes a new synthesis of nanoscaled Y2O3 that is bioinspired. It has been confirmed that Callistemon viminalis flower extract works well as a chelator when used to bioengineer high-shape anisotropy nanorods of single-phase Y2O3. X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, fourier transform infrared spectroscopy and photoluminescence spectroscopy were used to analyse the structural, morphological, surface and optical features. The photoluminescent spectra of the bio-engineered nanorods show blue emissions. As the annealing temperature was increased from 300 to 500°C, the blue colour purity values of the synthesized Y2O3 nanorods were 58.1, 80.7 and 77.0% at 300, 400 and 500°C respectively. The chromaticity coordinates (0.2020, 0.1931), (0.1660, 0.1082) and (0.1714, 0.1226) from the photoluminescence spectra of the biosynthesized Y2O3 nanorods were used to determine these values. The CIE y-component coordinate values of the bioengineered blue-emitting nanophosphors suggest their potential for applications in display technology and white light-emitting diodes.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143668393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development of fluorescent mesoporous-coated sodium fluorescein modified with 4-dimethylaminobenzoic acid composites for sensitive latent fingerprint detection 开发荧光介孔涂层荧光素钠与 4-二甲氨基苯甲酸修饰的复合材料，用于灵敏的潜伏指纹检测

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-03-18 DOI: 10.1007/s12034-025-03411-8

Ping Yang, Zhiyuan Liu, Tingfei Shi, Shuangquan Zhu, Honglong Xing, Kuiliang Li

{"title":"Development of fluorescent mesoporous-coated sodium fluorescein modified with 4-dimethylaminobenzoic acid composites for sensitive latent fingerprint detection","authors":"Ping Yang, Zhiyuan Liu, Tingfei Shi, Shuangquan Zhu, Honglong Xing, Kuiliang Li","doi":"10.1007/s12034-025-03411-8","DOIUrl":"10.1007/s12034-025-03411-8","url":null,"abstract":"<div>The application of fluorescent small molecules is greatly limited because they tend to photobleach and cause potential harm to organisms. However, SiO2 with fluorescent properties can be obtained by incorporating fluorescent small molecules into the preparation process using Stöber’s method. In this study, we successfully synthesized and prepared nanosized SiO2 spheres doped with sodium fluorescein (FS). The resulting fluorescent material exhibited excellent optical properties similar to FS and demonstrated good optical stability. Additionally, the surface of SiO2 spheres was easily modified, allowing for the introduction of foreign groups or small molecules. By incorporating 4-dimethylaminobenzoic acid (DBA), the final FS@SiO2@DBA fluorescent material enhanced the affinity for latent fingerprints. The use of FS@SiO2@DBA composites for latent fingerprint development demonstrated significant development effects on various substrates, including slides, metal locks, rough marble, galvanized iron sheets, quartz crucibles and blue plastic housings. These findings suggest that FS@SiO2@DBA has a significant impact on latent fingerprint development.</div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Transient energy absorption characteristics and interlaminar fracture toughness of glass/epoxy composites with recycled milled fillers 含回收铣削填料的玻璃/环氧复合材料的瞬态能量吸收特性和层间断裂韧性

IF 1.9 4区材料科学

Bulletin of Materials Science Pub Date : 2025-03-18 DOI: 10.1007/s12034-025-03401-w

Indhumathi Elango, J Jefferson Andrew, Arumugam Vellayaraj

{"title":"Transient energy absorption characteristics and interlaminar fracture toughness of glass/epoxy composites with recycled milled fillers","authors":"Indhumathi Elango, J Jefferson Andrew, Arumugam Vellayaraj","doi":"10.1007/s12034-025-03401-w","DOIUrl":"10.1007/s12034-025-03401-w","url":null,"abstract":"<div>Advanced composites are increasingly used in aircraft and automotive structures, highlighting the need to address delamination, a critical failure mode caused by interlaminar weakness. Also the end-of-life of composite material is challenging. The interlaminar fracture toughness, impact resistance and residual flexural performance of glass/epoxy composites with recycled milled carbon fibre (rmCF) and recycled milled Kevlar fibre (rmKF) fillers are examined in this study. This novel approach blends recycled fillers (rmBF) and tests their effects on interlaminar fracture toughness, crash performance, and residual strength using modes I, II, mixed mode I/II and drop weight impact tests. Filler-loaded samples show a remarkable increase in fracture toughness, with initiation improvements of 319, 31 and 200% and propagation improvements of 83, 14.4 and 172.3% in modes I, II and mixed mode. Up to 15% improvement was seen in the impact performance index and a 10% increase in residual strength. FTIR is used to correlate the effects of rmCF, rmKF and rmBF on interfacial properties, while SEM micrographs show how the filler-modified matrix toughens interlaminar fractures. This research helps improve composite material performance and sustainability.<h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":502,"journal":{"name":"Bulletin of Materials Science","volume":"48 2","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143638639","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0