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Journal Title and Volume Number (to be inserted by the publisher) 3 also Fig. 3).
It is shown that the material obtained by this method is free of micropipes, and the dislocation density is less than ~10 cm-2 beyond the seed contour.
Although such an approach creates additional problems (non-uniform doping due to faceting of a free- spreading crystal and more complex control of the temperature profile in the growth cavity for large-diameter crystals), it provides the material comparable by the quality with other semiconductors (Si, III-V and II-VI compounds).
Acknowledgements The authors are thankful to T.Argunova, Ioffe Institute, St.Petersburg and B.Poust, UCLA, Department of Materials Science and Engineering for DCXRT characterization.
Makarov: Materials Science Forum Vol. 353-356 (2001) p.57

Series: Materials Science and Engineering. 179 (2017) 012009
Syrovatko, Features of structurization of composite materials of the solution-and-diffusion type, Metallofiz.
Balalayeva, Effect of particular combinations of quenching, tempering and carburization on abrasive wear of low-carbon manganese steels with metastable austenite, Materials Science Forum. 945 MSF (2019) 574-578
Dzherenova, Application of the Q-n-P-treatment for increasing the wear resistance of low-alloy steel with 0.75% C, Material Science. 53 (2017) 67-75
Halfa, Simulation of structure formation in the Fe–C–Cr–Ni–Si surfacing materials, Eastern-European Journal of Enterprise Technologies. 2 (2018) 33-38

However, the material is not always included in that library.
When circular holes are needed into such materials, the abrasive waterjet cutting is a very suitable method which assures a reasonable cost and the required quality of the parts.The experimental tests presented in this paper proved that abrasive waterjet can be used with good results for cutting circular holes into aluminium honeycomb panel materials.The main challenge is to find the proper values of the working parameters to obtain the required surface accuracy.
Further research is encouraged to establish the cutting conditions in other cases of part’s shape and other alumina ceramic materials.
Yagüe Fabra, Comparison of Diameter and Area Change Based Methods for Evaluating Break-IN and Break-OUT Damages in Dry Drilled Holes of Aeronautical Carbon Fiber Composites, Materials Science Forum,Volume 797 pag.32-35 4010.4028/www.scientific.net/MSF.797.35
Wakuda, Y.Yamauchi, S.Kanzaki, Material response to particle impact during abrasive jet machining of alumina ceramics, Journal of Materials Processing Technology, Volume 132, Issues 1-3 (2003), pp.177-183

Introduction Nowadays, materials science shows new routes for preparation of porous materials with crystalline ordering at nanometric scale.
Two materials have been reported as self-assembly materials: silica[1-3] and latex[4-6] because they are monodispersed particles and can be easily removed by heat treatment or chemical etch.
Li: Advanced Materials Research Vols. 554-556 (2012), p. 395
Velev: Materials Vol. 6 (2013), p. 1803
Ho: Journal of Power Sources Vol. 196 (2011), p. 6595

After decades of successful increase in device performance by downscaling, extending this trend has necessitated the introduction of innovative materials and technologies.
For CMOS logic devices, the introduction of gate stacks based on high-κ materials and the move to finFET architectures have been interesting examples of disruptive changes.
(b) Estimated etch selectivity values for undoped Ge0.92Sn0.08 and Ge0.92Sn0.08:P materials, the etch selectivity being defined as the ratio ER[Ge0.92Sn0.08(:P)]/ER[Ge].
In a next step, we will also assess etch selectivity for strained Ge materials, for which the GeSn/Ge multi-stack needs to be grown on SiGe strain relaxed buffers [5].
Loo et al., Epitaxial CVD Growth of Ultra-Thin Si Passivation Layers on Strained Ge Fin Structures, ECS Journal of Solid State Science and Technology 7 (2) (2018) P66-P72

Despite their advantages, composite materials face significant challenges in achieving the optimal performance.
In addition, the nanoparticles increase the surface energy, allowing for better dispersion within other materials. 2-2.
Carbon Nanotubes in Polymer Composites, Science, 317(5835), 661-663
Surface Modification of Polymethylmethacrylate (PMMA) by Ion-assisted reaction, Korean Journal of Materials Research. 9.5 (1999): 446-451
Enhancing Electrical and Thermal Conductivity in Polymer-Metal Nanocomposites, Advanced Materials Interfaces, 6(17), 1900500

Experiments Experimental raw materials.
The pure chemical reagents, KAlSi3O8, Fe2O3, CaO and CaF2 were used as the raw materials to prepare the sinter mixture.
During the sintering process K-feldspar melts to form glassiness at lower temperature, in which other materials can be easily melted and absorbed, such as the reagents Fe2O3, CaO and CaF2.
So it easily melts to form glassiness, in which other materials can be melted and absorbed.
Wu: The Chinese Journal of Process Engineering Vol 8(1) (2008), p. 198-204

With the structure size and material properties, the relationship curve between vacuum gauge output and gas pressure can be obtained.
Device fabrication starts by depositing 0.5μm PECVD SiO2 on the back side of a (100) silicon wafer which is used as the masking material in the following wet etching process.
This work is supported by the grant of Science and Technology Development (No.2012A0403018) in China Academy of Engineering Physics.
Vacuum Science and Technology 1997, 17(5), 330-335
Journal of Micromechine and Microengineering. (2009)1-8

Nowadays, colleges and universities have not only the mission of transforming nature and creating material civilization but also the responsibility of remolding and affecting the society.
[2] Wang Peiwei and Li Fan: Science& Technology Progress and Policy, 2000(7): p.94-95
[3] Liu Changyun and Wang Enwei: Journal of Beijing University of Chemical Technology (Social Science Edition), 2006(3), p.23～27
[4] Xu Haoyi: Journal of Hunan Institute of Engineering (2005) No.9), p.89～91
[5] Wang Jingying: Theoretical Education Evaluation and Educational Practice (Northeast Normal University Press, 2002) [6] Zhao Yan: Study on the Co-Operative Education Quality Evaluation and Indicators System (Huazhong University of Science and Technology, 2008).

These methods have been widely used in various fields such as information project selection, material selection, management decisions, strategy selection, and problems relating to decision-making.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (No. 71463035).
European Journal of Operational Research, 130(3), pp653-664
Huazhong University of Science and Technology Press,1990.
The International Journal of Quality and Reliability Management, 19(2-3), pp122-136