{"title":"Solvothermal synthesis of Li<sub>3</sub>BO<sub>3</sub>-coated graphite powder as an anode material for all-solid-state lithium batteries","authors":"Hirosuke Sonomura, Tomoatsu Ozaki, Yasunori Hasegawa, Yoshiaki Sakurai, Masanobu Chiku","doi":"10.2109/jcersj2.23123","DOIUrl":"https://doi.org/10.2109/jcersj2.23123","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"3 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135166044","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}
Jiefeng Wang, Xiaofeng Yuan, Jun Li, Qiushi Wang, Wentao Xiong, Taiang Song
After a long time of exploration, the solid-state reaction method is further modified. In the granulation process, 10 % isopropanol is added into ethanol to increase the viscosity. More than that, the green body of the ceramic is placed into the isostatic press and pressed at 200 MPa for 3 min again after being kept in the muffle furnace at 120 °C for 1 h. The modified solid-state reaction method further improves the sintering property of the Na2WO4 ceramic, which increases the dielectric property of the ceramic sample greatly. Besides, the granulation problem, the bubble problem and the problem in demoulding process are solved. The substitution of ethanol and isopropanol for polyvinyl ethanol (PVA) completely avoids the residue of PVA in the ceramic sample and increases the fluidity of the ceramic particles in the granulation process. As a result, the Na2WO4 ceramic can be sintered well at 560 °C with a relative permittivity of 5.82, Q × f value of 131300 GHz and a temperature coefficient of resonant frequency (TCF) value of −56.2 ppm/°C in this work. The modified solid-state reaction method is a good substitute for the conventional solid-state method.
{"title":"Investigation into the effect on the property of Na<sub>2</sub>WO<sub>4</sub> ceramic prepared by the further modified solid-state reaction method","authors":"Jiefeng Wang, Xiaofeng Yuan, Jun Li, Qiushi Wang, Wentao Xiong, Taiang Song","doi":"10.2109/jcersj2.23122","DOIUrl":"https://doi.org/10.2109/jcersj2.23122","url":null,"abstract":"After a long time of exploration, the solid-state reaction method is further modified. In the granulation process, 10 % isopropanol is added into ethanol to increase the viscosity. More than that, the green body of the ceramic is placed into the isostatic press and pressed at 200 MPa for 3 min again after being kept in the muffle furnace at 120 °C for 1 h. The modified solid-state reaction method further improves the sintering property of the Na2WO4 ceramic, which increases the dielectric property of the ceramic sample greatly. Besides, the granulation problem, the bubble problem and the problem in demoulding process are solved. The substitution of ethanol and isopropanol for polyvinyl ethanol (PVA) completely avoids the residue of PVA in the ceramic sample and increases the fluidity of the ceramic particles in the granulation process. As a result, the Na2WO4 ceramic can be sintered well at 560 °C with a relative permittivity of 5.82, Q × f value of 131300 GHz and a temperature coefficient of resonant frequency (TCF) value of −56.2 ppm/°C in this work. The modified solid-state reaction method is a good substitute for the conventional solid-state method.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135161390","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}
Pub Date : 2023-11-01DOI: 10.2109/jcersj2.131.a11-1
{"title":"Call for a Guest Editor for a Special Issue","authors":"","doi":"10.2109/jcersj2.131.a11-1","DOIUrl":"https://doi.org/10.2109/jcersj2.131.a11-1","url":null,"abstract":"","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135162049","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}
Kota Suzuki, Jinan Cui, Jiang Peilu, Hanseul Kim, Yumi Yamaguchi, Satoshi Hori, Masaaki Hirayama, Ryoji Kanno
In this study, high-sulfur-containing carbon replica (sulfur-rich S-CR) composites were prepared using a melt-diffusion method. Melt diffusion under vacuum enabled the introduction of four times the weight ratio of sulfur into the mesopores of a carbon replica (CR). The obtained sulfur-rich S-CR exhibited an initial discharge capacity of 700 mAh gsulfur−1, indicating the low utilization of sulfur in the composite. The classification of the particle sizes of the solid electrolyte and CR contributed to the improvement in electrochemical performance. An initial discharge capacity of over 1,200 mAh g−1 was confirmed for the S-CR composite using the smaller solid electrolyte and CR prepared via a dry classification process. An analysis of the effect of the additives indicated that the rational design of electronic and ionic conduction pathways is required for higher cycle performance when using sulfur-rich S-CRs.
本研究采用熔融扩散法制备了高含硫碳副本(富硫S-CR)复合材料。熔体在真空下的扩散使硫的重量比增加了四倍，从而进入了碳复制品(CR)的介孔。得到的富硫S-CR的初始放电容量为700 mAh g硫- 1，表明复合材料中硫的利用率较低。固体电解质和CR的粒径分级有助于电化学性能的提高。使用更小的固体电解质和通过干燥分类工艺制备的CR, S-CR复合材料的初始放电容量超过1200 mAh g - 1。对添加剂的影响分析表明，在使用富硫s - cr时，合理设计电子和离子传导途径是提高循环性能的必要条件。
{"title":"Sulfur-rich composite cathodes using carbon replica frameworks for all-solid-state lithium–sulfur batteries","authors":"Kota Suzuki, Jinan Cui, Jiang Peilu, Hanseul Kim, Yumi Yamaguchi, Satoshi Hori, Masaaki Hirayama, Ryoji Kanno","doi":"10.2109/jcersj2.23018","DOIUrl":"https://doi.org/10.2109/jcersj2.23018","url":null,"abstract":"In this study, high-sulfur-containing carbon replica (sulfur-rich S-CR) composites were prepared using a melt-diffusion method. Melt diffusion under vacuum enabled the introduction of four times the weight ratio of sulfur into the mesopores of a carbon replica (CR). The obtained sulfur-rich S-CR exhibited an initial discharge capacity of 700 mAh gsulfur−1, indicating the low utilization of sulfur in the composite. The classification of the particle sizes of the solid electrolyte and CR contributed to the improvement in electrochemical performance. An initial discharge capacity of over 1,200 mAh g−1 was confirmed for the S-CR composite using the smaller solid electrolyte and CR prepared via a dry classification process. An analysis of the effect of the additives indicated that the rational design of electronic and ionic conduction pathways is required for higher cycle performance when using sulfur-rich S-CRs.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135369903","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}
Two-types of phase-field (PF) calculations were developed to predict the crystallization of borides. The first calculation used an empirical PF mobility [Lexp = A(kBTΔT/6π2λ3η)B], which was determined from experimental crystal growth rates (vexp). The calculation results for various binary borides such as Li2O–2B2O3, Na2O–2B2O3, Na2O–4B2O3, K2O–4B2O3, BaO–2B2O3, and PbO–2B2O3, agreed well with the experimental vexp below their melting points. Furthermore, the A and B values of the Lexp for the borides depended on diffusivity and cation molar mass, including that it is important for cation transfers during crystallization. The second calculation solved the PF equation using versatile PF mobility (L′ ∼ rD/κ2), in which an interfacial process (r) was included. The calculation results agreed well with the first calculation results and the experimental vexp, except for Li2O–2B2O3. In Li2O–2B2O3, the interfacial process strongly affected the crystal growth rates because of the strong nonlinear phenomenon. For diffusive ceramics such as Li2O–2B2O3, we should use the empirical Lexp. However, the versatile PF equation, which includes the interfacial process (L′) can predict the vexp of many borides.
{"title":"Prediction for crystal growth rates in borides under supercooled temperature conditions","authors":"Munemichi Kawaguchi, Masayoshi Uno","doi":"10.2109/jcersj2.23111","DOIUrl":"https://doi.org/10.2109/jcersj2.23111","url":null,"abstract":"Two-types of phase-field (PF) calculations were developed to predict the crystallization of borides. The first calculation used an empirical PF mobility [Lexp = A(kBTΔT/6π2λ3η)B], which was determined from experimental crystal growth rates (vexp). The calculation results for various binary borides such as Li2O–2B2O3, Na2O–2B2O3, Na2O–4B2O3, K2O–4B2O3, BaO–2B2O3, and PbO–2B2O3, agreed well with the experimental vexp below their melting points. Furthermore, the A and B values of the Lexp for the borides depended on diffusivity and cation molar mass, including that it is important for cation transfers during crystallization. The second calculation solved the PF equation using versatile PF mobility (L′ ∼ rD/κ2), in which an interfacial process (r) was included. The calculation results agreed well with the first calculation results and the experimental vexp, except for Li2O–2B2O3. In Li2O–2B2O3, the interfacial process strongly affected the crystal growth rates because of the strong nonlinear phenomenon. For diffusive ceramics such as Li2O–2B2O3, we should use the empirical Lexp. However, the versatile PF equation, which includes the interfacial process (L′) can predict the vexp of many borides.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372807","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}
We have prepared a dense ceramic sample of a novel thermoelectric sulfide Ta2PdS6 by means of spark plasma sintering technique under a uniaxial pressure. The Rietveld analyses of the X-ray diffraction patterns have clarified occurrence of weak preferred orientation in the sintering process. Resistivity, thermopower, and Hall resistivity measurements on the ceramic sample have indicated that it shows higher carrier density and lower carrier mobility than a single crystal. The inferior carrier mobility in the ceramic sample may partly come from increased point-defect and/or grain-boundary scattering, to which poor power factor is attributed.
{"title":"Spark plasma sintering on the thermoelectric sulfide Ta<sub>2</sub>PdS<sub>6</sub>","authors":"Akitoshi Nakano, Koichiro Suekuni, Nanako Hattori, Ichiro Terasaki","doi":"10.2109/jcersj2.23038","DOIUrl":"https://doi.org/10.2109/jcersj2.23038","url":null,"abstract":"We have prepared a dense ceramic sample of a novel thermoelectric sulfide Ta2PdS6 by means of spark plasma sintering technique under a uniaxial pressure. The Rietveld analyses of the X-ray diffraction patterns have clarified occurrence of weak preferred orientation in the sintering process. Resistivity, thermopower, and Hall resistivity measurements on the ceramic sample have indicated that it shows higher carrier density and lower carrier mobility than a single crystal. The inferior carrier mobility in the ceramic sample may partly come from increased point-defect and/or grain-boundary scattering, to which poor power factor is attributed.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372988","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}
Yu Ogura, Yuki Tsuchiya, Sena Hoshino, Tatsuya Yokoi, Katsuyuki Matsunaga
The photoplastic effect, phenomena that flow stress and/or hardness change by light illuminations, has been known mainly in II–VI compound semiconductors. In this study, it was revealed for the first time that magnesium oxide (MgO) single crystals exhibit increase in flow stress by light illumination, namely, the positive photoplastic effect. Scanning transmission electron microscope (STEM) observations demonstrated that the plastic deformation of MgO is realized by generation of glide dislocations on the slip system of {110}〈110〉. Therefore, the observed positive photoplastic effect of MgO is likely due to interactions of the glide dislocations and photo-excited carriers. According to the theoretical calculations, individual dislocations in MgO had a specific band structure that differs from the bulk. This also indicates possible interactions between dislocations and carriers. It is expected that light illumination can reduce dislocation mobility in MgO, leading to the increase in flow stress under light illuminations.
{"title":"Photoplastic effect in MgO single crystals","authors":"Yu Ogura, Yuki Tsuchiya, Sena Hoshino, Tatsuya Yokoi, Katsuyuki Matsunaga","doi":"10.2109/jcersj2.23060","DOIUrl":"https://doi.org/10.2109/jcersj2.23060","url":null,"abstract":"The photoplastic effect, phenomena that flow stress and/or hardness change by light illuminations, has been known mainly in II–VI compound semiconductors. In this study, it was revealed for the first time that magnesium oxide (MgO) single crystals exhibit increase in flow stress by light illumination, namely, the positive photoplastic effect. Scanning transmission electron microscope (STEM) observations demonstrated that the plastic deformation of MgO is realized by generation of glide dislocations on the slip system of {110}〈110〉. Therefore, the observed positive photoplastic effect of MgO is likely due to interactions of the glide dislocations and photo-excited carriers. According to the theoretical calculations, individual dislocations in MgO had a specific band structure that differs from the bulk. This also indicates possible interactions between dislocations and carriers. It is expected that light illumination can reduce dislocation mobility in MgO, leading to the increase in flow stress under light illuminations.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372816","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}
The surface image measurement time was reduced by data completion using a compressed sensing algorithm in the image-acquisition of scanning probe microscopy. In particular, by reducing the number of acquisition points of the surface-roughness image and reconstructing the image using estimated values, acquiring the surface image at one-eighth of the data-measurement time became possible. The reduced measurement time was shown to reduce the influence of thermal drift during image capture. The real time surface image demonstrated that reconstruction is possible during surface image acquisition.
{"title":"Time-reduction imaging method for scanning-probe microscopy using a compressed sensing algorithm based on sequential reconstruction method","authors":"Keiichi Ueda, Diao Zhuo, Linfeng Hou, Hayato Yamashita, Masayuki Abe","doi":"10.2109/jcersj2.23042","DOIUrl":"https://doi.org/10.2109/jcersj2.23042","url":null,"abstract":"The surface image measurement time was reduced by data completion using a compressed sensing algorithm in the image-acquisition of scanning probe microscopy. In particular, by reducing the number of acquisition points of the surface-roughness image and reconstructing the image using estimated values, acquiring the surface image at one-eighth of the data-measurement time became possible. The reduced measurement time was shown to reduce the influence of thermal drift during image capture. The real time surface image demonstrated that reconstruction is possible during surface image acquisition.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372989","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}
The structural and mechanical reliability of inorganic semiconductors for practical applications is determined by the rate at which they can deform and sustain externally applied strain. In this research, nanoindentation experiments under three strain rates and two light conditions were performed on single-crystal ZnS with an 80 nm radius Berkovich tip at a peak load of 60 µN. Significant pop-in events were observed in all indentation tests. The calculated maximum resolved shear stress at the first pop-in approximated the theoretical strength of ZnS, indicating a homogeneous dislocation nucleation process. The cumulative spreads of the maximum shear stress were found to be insensitive to the strain rate, and the distribution at a small strain rate was slightly broader than that of the other two strain rates because of thermal noise. Calculated activation energy ΔG required for the dislocation nucleation indicates that dislocation nucleation in ZnS could occur with external stress and without much assistance of thermal energy, leading to weak dependence of the first pop-in on the strain rate. At three strain rates, light consistently showed little influence on the pop-in behavior and dislocation nucleation process.
{"title":"Strain-rate insensitive photoindentation pop-in behavior in ZnS single crystals at room temperature","authors":"Yan Li, Hiroto Oguri, Ayaka Matsubara, Eita Tochigi, Xufei Fang, Yu Ogura, Katsuyuki Matsunaga, Atsutomo Nakamura","doi":"10.2109/jcersj2.23064","DOIUrl":"https://doi.org/10.2109/jcersj2.23064","url":null,"abstract":"The structural and mechanical reliability of inorganic semiconductors for practical applications is determined by the rate at which they can deform and sustain externally applied strain. In this research, nanoindentation experiments under three strain rates and two light conditions were performed on single-crystal ZnS with an 80 nm radius Berkovich tip at a peak load of 60 µN. Significant pop-in events were observed in all indentation tests. The calculated maximum resolved shear stress at the first pop-in approximated the theoretical strength of ZnS, indicating a homogeneous dislocation nucleation process. The cumulative spreads of the maximum shear stress were found to be insensitive to the strain rate, and the distribution at a small strain rate was slightly broader than that of the other two strain rates because of thermal noise. Calculated activation energy ΔG required for the dislocation nucleation indicates that dislocation nucleation in ZnS could occur with external stress and without much assistance of thermal energy, leading to weak dependence of the first pop-in on the strain rate. At three strain rates, light consistently showed little influence on the pop-in behavior and dislocation nucleation process.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"2013 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372640","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}
Determining the stable atomic structure of grain boundaries (GBs) is one of the most important tasks for computational materials science to comprehensively understand the structure-property relationship of GBs in real polycrystalline materials. In this paper, we revisit a proposed method (PM) that was thought to be ineffective in determining the stable GB structures based on sampling non-identical terminating crystal planes of the two adjoining crystals forming the GB. In contrast to the previous conclusion, we found that the PM is effective regarding both the reproducibility of stable structures and calculation cost. This method could determine the most stable GB structures and energies of not only elemental materials of face-centered-cubic and body-centered-cubic metals, including Cu and Mo, but also a binary ceramic material, MgO. We show that the PM can greatly reduce the number of necessary candidate structures calculated to determine the stable GB structures compared with other brute-force methods sampling the rigid body translation between the two adjoining crystals. We demonstrated that sampling GB structures made of non-identical termination combinations is a useful and effective method to determine the stable GB structures of various materials.
{"title":"A guideline for searching for stable grain boundary structure by utilizing crystallographic information: A method based on non-identical termination","authors":"Yuki Hata, Yaoshu Xie, Kiyou Shibata, Teruyasu Mizoguchi","doi":"10.2109/jcersj2.23019","DOIUrl":"https://doi.org/10.2109/jcersj2.23019","url":null,"abstract":"Determining the stable atomic structure of grain boundaries (GBs) is one of the most important tasks for computational materials science to comprehensively understand the structure-property relationship of GBs in real polycrystalline materials. In this paper, we revisit a proposed method (PM) that was thought to be ineffective in determining the stable GB structures based on sampling non-identical terminating crystal planes of the two adjoining crystals forming the GB. In contrast to the previous conclusion, we found that the PM is effective regarding both the reproducibility of stable structures and calculation cost. This method could determine the most stable GB structures and energies of not only elemental materials of face-centered-cubic and body-centered-cubic metals, including Cu and Mo, but also a binary ceramic material, MgO. We show that the PM can greatly reduce the number of necessary candidate structures calculated to determine the stable GB structures compared with other brute-force methods sampling the rigid body translation between the two adjoining crystals. We demonstrated that sampling GB structures made of non-identical termination combinations is a useful and effective method to determine the stable GB structures of various materials.","PeriodicalId":17246,"journal":{"name":"Journal of the Ceramic Society of Japan","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135372795","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：