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Journal articles on the topic 'Thermal Catalytic Etching (TCE)'

Author: Grafiati

Published: 17 May 2025

Last updated: 31 July 2025

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1

Masoomi-Godarzi, S., H. Ranji-Burachaloo, A. A. Khodadadi, M. Vesali-Naseh, and Y. Mortazavi. "Air trichloroethylene oxidation in a corona plasma-catalytic reactor." International Journal of Modern Physics: Conference Series 32 (January 2014): 1460346. http://dx.doi.org/10.1142/s2010194514603469.

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The oxidative decomposition of trichloroethylene (TCE; 300 ppm) by non-thermal corona plasma was investigated in dry air at atmospheric pressure and room temperature, both in the absence and presence of catalysts including MnO x, CoO x. The catalysts were synthesized by a co-precipitation method. The morphology and structure of the catalysts were characterized by BET surface area measurement and Fourier Transform Infrared (FTIR) methods. Decomposition of TCE and distribution of products were evaluated by a gas chromatograph (GC) and an FTIR. In the absence of the catalyst, TCE removal is incre

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2

Chen, Guozhu, Ying Yang, Zeyi Guo, et al. "Thermally stable and highly active Pt/CeO2@SiO2 catalysts with a porous/hollow structure." Catalysis Science & Technology 8, no. 17 (2018): 4413–19. http://dx.doi.org/10.1039/c8cy01070f.

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3

Bao, X., G. Lehmpfuhl, G. Weinberg, R. Schlögl, and G. Ertl. "Variation of the morphology of silver surfaces by thermal and catalytic etching." J. Chem. Soc., Faraday Trans. 88, no. 6 (1992): 865–72. http://dx.doi.org/10.1039/ft9928800865.

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4

Luan, Yiliang, Lihua Zhang, Chenyu Wang, Jingyue Liu, and Jiye Fang. "Manipulation of Pt-Ni Tetrahexahedral Nanoframes Using a Gaseous Etching Method." MRS Advances 3, no. 18 (2018): 943–48. http://dx.doi.org/10.1557/adv.2017.633.

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ABSTRACTNanosized Platinum (Pt) nanocrystals (NCs) have been extensively investigated in catalytic fields because of their high reactivity due to the unique electron structure. However, the rarity and the high cost of Pt limit its applications in industry. To reduce the usage of Pt in catalytic industry, research interests have been extended to Pt-based nanoalloys. Among various nanostructures, nanoframes (NFs) showed promising catalytic performance even with a lower metallic loading dose. Herein, we report a facile and robust method to transfer the Pt-Ni tetrahexahedral (THH) NCs into THH NFs

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5

Lim, S. Y., and M. M. Norani. "The Effect of Catalyst on Carbon Nanotubes (CNTs) Synthesized by Catalytic Chemical Vapor Deposition (CVD) Technique." Advanced Materials Research 364 (October 2011): 232–37. http://dx.doi.org/10.4028/www.scientific.net/amr.364.232.

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Catalyst plays a crucial role in determining the characteristics of carbon nanotubes (CNTs) produced by using thermal catalytic chemical vapor deposition (CVD). It is essential to investigate how the catalyst preparation affects the characteristics of CNTs because certain application demands specific size for optimum performance. This study reports the effect of the types of catalyst and the duration of the catalyst pre-treatment (wet etching time, dry etching time and ball milling) on the diameter of CNTs. The synthesized CNTs samples were characterized by scanning and transmission electron m

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Gao, Ju, Xu Dong, Zhenguo Li, et al. "Surface Modification of GdMn2O5 for Catalytic Oxidation of Benzene via a Mild A-Site Sacrificial Strategy." Catalysts 12, no. 10 (2022): 1267. http://dx.doi.org/10.3390/catal12101267.

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Thermal catalytic oxidation technology is an effective way to eliminate refractory volatile organic pollutants, such as Benzene. Nevertheless, a high reaction temperature is usually an obstacle to practical application. Here, GdMn2O5 mullite (GMO-H) catalyst with disordered surface Gd-deficient and oxygen-vacancy-rich concentrations was synthesized via a controllable low-temperature acid-etching route. Results show that the preferentially broken Gd-O bond is conducive to exposing more Mn-Mn active sites, which Gd species covered. The affluent surface oxygen vacancies supply sufficient adsorpti

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7

Jiang, Yeu-Long, and Hsiao-Ku Shih. "Highly Efficient Nano-Porous Polysilicon Solar Absorption Films Prepared by Silver-Induced Etching." Crystals 8, no. 9 (2018): 354. http://dx.doi.org/10.3390/cryst8090354.

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Nano-porous polysilicon high-temperature resistant solar absorption films were prepared by a thin layer of silver nanoparticles catalytic chemical etching. The polysilicon films with average tiny grain size of approximately 30 nm were obtained by high-temperature 800 °C furnace annealing of hydrogenated amorphous silicon films that were deposited on stainless substrate by plasma-enhanced chemical vapor deposition. The uniformly distributed 19 nm sized silver nanoparticles with 8 nm interspacing deposited on poly-Si film, were controlled by thin 4 nm thickness and very slow deposition rate 0.4

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Husairi, F. S., Kevin Alvin Eswar, Azlinda Ab Aziz, Mohamad Rusop, and Saifollah Abdullah. "Effect of Urea as a Stabiliser in the Thermal Immersion Method to Synthesise Zinc Oxide Nanostructures on Porous Silicon Nanostructures." Advanced Materials Research 832 (November 2013): 644–48. http://dx.doi.org/10.4028/www.scientific.net/amr.832.644.

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In this work, ZnO nanostructures were prepared using the catalytic immersion method (90 °C) with zinc nitrate hexahydrate (Zn (NO3)26H2O) as a precursor, urea (CH4N2O) as a stabiliser and porous silicon nanostructures (PSi) as a substrate. PSi prepared on p-type Si by using electrochemical etching method. Different molarity concentration ratios of Zn (NO3)26H2O to CH4N2O (2:1, 1:2, 1:4 and 1:6) were used in this work. The effects of the urea concentration during the synthesis process were discussed. The ZnO nanostructures were characterised using field emission scanning electron microscope (FE

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9

Li, Shasha, Li Ma, Hangyu Long, et al. "Enhanced electron field emission properties of diamond/microcrystalline graphite composite films synthesized by thermal catalytic etching." Applied Surface Science 367 (March 2016): 473–79. http://dx.doi.org/10.1016/j.apsusc.2016.01.195.

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10

Fischer, M., T. Welker, B. Leistritz, et al. "Investigations of Metal Systems in a Silicon Ceramic Composite Substrate for Electrical and Thermal Contacts as well as Associated Mounting Aspects." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2016, CICMT (2016): 000107–10. http://dx.doi.org/10.4071/2016cicmt-wa22.

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Abstract A quasi-monolithic silicon ceramic composite substrate (SiCer), allowing the advantageous combination of silicon MEMS technology with the LTCC technology represents a base substrate for new technology concepts. For the realization of such a substrate an adaptation (e. g. expansion coefficient) of the LTCC base material to silicon is required. Due to the fact that this TCE matched LTCC is not supplied with a metallization system, it is important to identify and evaluate suitable metal pastes. We present a compilation of evaluated silver- and gold-based metal pastes, as well as their ch

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11

Abd Rahim, Alhan Farhanah, Nurul Syuhadah Mohd Razali, Rosfariza Radzali, Ainokhilah Mahmood, Irni Hamiza Hamzah, and Mohamed Fauzi Packeer Mohamed. "Enhanced Catalytic Palladium Embedded Inside Porous Silicon for Improved Hydrogen Gas Sensing." Sains Malaysiana 51, no. 12 (2022): 4087–98. http://dx.doi.org/10.17576/jsm-2022-5112-17.

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In this work, we reported on room temperature porous silicon (PS) and embedding PS using simple and economical techniques of electrochemical etching and thermal evaporation. The PS substrate was prepared using the technique of electrochemically etching the n-type Si (100) wafer at a constant current density of 10 mA/cm2 for 10 min under the illumination of incandescent white light. After PS formation, Ge pieces were thermally evaporated onto the two PS substrates in a vacuum condition. This was then followed by the deposition of the ZnO layer onto the Ge/PS substrate by the same method using c

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12

Jean, Jau-Ho, and Tapan K. Gupta. "Crystallization kinetics of binary borosilicate glass composite." Journal of Materials Research 7, no. 11 (1992): 3103–11. http://dx.doi.org/10.1557/jmr.1992.3103.

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Kinetics of cristobalite precipitation in a binary glass composite, containing a low-softening borosilicate (BSG) and a high-softening high silica (HSG) glass, have been investigated. XRD results show that the pure glasses do not crystallize under the sintering conditions used, but when mixed in appropriate proportions the cristobalite gradually precipitates out of the initial amorphous binary glass mixture as the sintering continues at temperatures ranging from 800 to 1000 °C. Average linear thermal expansion coefficient (TCE) results show that the TCE increases significantly with increasing

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13

Zhang, Xiaomeng, Chuhao Yao, Jiebin Niu, Hailiang Li, and Changqing Xie. "Wafer-Scale Fabrication of Ultra-High Aspect Ratio, Microscale Silicon Structures with Smooth Sidewalls Using Metal Assisted Chemical Etching." Micromachines 14, no. 1 (2023): 179. http://dx.doi.org/10.3390/mi14010179.

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Silicon structures with ultra-high aspect ratios have great potential applications in the fields of optoelectronics and biomedicine. However, the slope and increased roughness of the sidewalls inevitably introduced during the use of conventional etching processes (e.g., Bosch and DRIE) remain an obstacle to their application. In this paper, 4-inch wafer-scale, ultra-high aspect ratio (>140:1) microscale silicon structures with smooth sidewalls are successfully prepared using metal-assisted chemical etching (MacEtch). Here, we clarify the impact of the size from the metal catalytic structure

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14

Huo, Kaixuan, Yu Sun, Hu Jiang, et al. "Petroleum Pitch-Derived Porous Carbon Materials as Metal-Free Catalyst for Dry Reforming of Methane." Molecules 29, no. 19 (2024): 4642. http://dx.doi.org/10.3390/molecules29194642.

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Porous carbon materials have gained increasing attention in catalysis applications due to their tailorable surface properties, large specific surface area, excellent thermal stability, and low cost. Even though porous carbon materials have been employed for thermal-catalytic dry reforming of methane (DRM), the structure–function relationship, especially the critical factor affecting catalytic performance, is still under debate. Herein, various porous carbon-based samples with disparate pore structures and surface properties are prepared by alkali (K2CO3) etching and the following CO2 activatio

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15

Long, Hangyu, Xuezhang Liu, Youneng Xie, et al. "Thickness effects of Ni on the modified boron doped diamond by thermal catalytic etching for non-enzymatic glucose sensing." Journal of Electroanalytical Chemistry 832 (January 2019): 353–60. http://dx.doi.org/10.1016/j.jelechem.2018.11.018.

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16

Kim, Jinjong, and Sang Hoon Joo. "Atomically Dispersed Transition Metal Catalysts for Electrochemical Chlorine Evolution Reaction." ECS Meeting Abstracts MA2024-02, no. 49 (2024): 3516. https://doi.org/10.1149/ma2024-02493516mtgabs.

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Chlorine evolution reaction (CER) is a crucial anodic reaction in the chlor–alkali process. For 50 years, dimensionally stable anode (DSA) has been extensively used for CER. However, the DSA requires about 30 at% of precious metals, such as iridium and ruthenium, and also catalyzes oxygen evolution reaction as a parasitic reaction, invoking the cost and selectivity issues, respectively. In this work, we have synthesized atomically dispersed non-precious metal (M; M = Fe, Co, Ni, and Cu)-based CER catalysts to unravel their CER catalytic trends. The catalysts were synthesized by coating carbon

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17

Long, Hangyu, Kui Wen, Cuiyin Liu, Xuezhang Liu, and Huawen Hu. "Effect of Carbon Layer Thickness on the Electrocatalytic Oxidation of Glucose in a Ni/BDD Composite Electrode." Molecules 28, no. 15 (2023): 5798. http://dx.doi.org/10.3390/molecules28155798.

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High-performance non-enzymatic glucose sensor composite electrodes were prepared by loading Ni onto a boron-doped diamond (BDD) film surface through a thermal catalytic etching method. A carbon precipitate with a desired thickness could be formed on the Ni/BDD composite electrode surface by tuning the processing conditions. A systematic study regarding the influence of the precipitated carbon layer thickness on the electrocatalytic oxidation of glucose was conducted. While an oxygen plasma was used to etch the precipitated carbon, Ni/BDD-based composite electrodes with the precipitated carbon

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18

Zhumabay, Zhumabay. "(Digital Presentation) Porous Silicon Formed by Electrochemical, Chemical and Combined Etching." ECS Meeting Abstracts MA2023-02, no. 61 (2023): 3252. http://dx.doi.org/10.1149/ma2023-02613252mtgabs.

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This work is devoted the thermophysical characteristics (TPC) of PS formed by Electrochemical, Metal-assisted chemical and combined etching methods. The TPC of PS/MACE+EC formed by the MACE+EC– method is higher than those of the PS/EC and PS/MACE samples formed by the EC and MACE methods. The energy activity of water splitting on the surface of PS/MACE+EC is higher than the energy activity of the PS/EC and PS/MACE samples. The combined (MACE+EC) method is the best method for obtaining PS, which has the highest energy activity in water splitting processes. The activation energy of water splitti

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19

Fialkova, Svitlana, Sergey Yarmolenko, Arvind Krishnaswamy, et al. "Nanoimprint Lithography for Next-Generation Carbon Nanotube-Based Devices." Nanomaterials 14, no. 12 (2024): 1011. http://dx.doi.org/10.3390/nano14121011.

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This research reports the development of 3D carbon nanostructures that can provide unique capabilities for manufacturing carbon nanotube (CNT) electronic components, electrochemical probes, biosensors, and tissue scaffolds. The shaped CNT arrays were grown on patterned catalytic substrate by chemical vapor deposition (CVD) method. The new fabrication process for catalyst patterning based on combination of nanoimprint lithography (NIL), magnetron sputtering, and reactive etching techniques was studied. The optimal process parameters for each technique were evaluated. The catalyst was made by de

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20

Ma, Futao, Jingjing Liu, Kaixuan Chen, and Zhenmin Cheng. "Thermal Stability Improvement of Cu-Based Catalyst by Hydrophobic Modification in Methanol Synthesis." Processes 12, no. 9 (2024): 2008. http://dx.doi.org/10.3390/pr12092008.

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Water can cause the growth and oxidation of Cu nanoparticles on the surface of Cu-based catalysts, leading to their deactivation. However, during methanol synthesis process from syngas on Cu-based catalysts, water is inevitably produced as a by-product due to the presence of CO2. Therefore, enhancing the stability of Cu-based catalysts during the reaction, particularly in the presence of water, is crucial. In this study, Cu/ZnO/Al2O3 was first subjected to wet etching and then hydrophobically modified using the sol–gel method with methyltrimethoxysilane (MTMS) and the grafting method with 1H,1

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21

Joshi, Nitesh, and Sivachandiran Loganathan. "Cold Plasma Techniques for Sustainable Material Synthesis and Climate Change Mitigation: A Review." Catalysts 14, no. 11 (2024): 802. http://dx.doi.org/10.3390/catal14110802.

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In recent years, the emission of greenhouse gases (GHGs) has increased significantly, contributing to global warming. Among these GHGs, CH4, CO2, and CO are particularly potent contributors. Remediation techniques primarily rely on materials capable of capturing, storing, and converting these gases. Catalytic processes, particularly heterogeneous catalysis, are essential to chemical and petrochemical industries as well as environmental remediation. Due to the growing demand for catalysts, efforts are being made to reduce energy consumption and make technologies more environmentally friendly. G

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22

Fiorini Granieri, Simone, Marco Cecchetti, Gerardo Maria Pagano, Francesco Toja, Fabio Di Fonzo, and Matteo Zago. "Development and Scale-up of High Performance Electrodes for Vanadium Redox Flow Batteries." ECS Meeting Abstracts MA2023-01, no. 3 (2023): 729. http://dx.doi.org/10.1149/ma2023-013729mtgabs.

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Vanadium redox flow battery (VRFB) is a promising technology for energy storage because of its independent energy to power ratio and long cycle life. However, VRFB commercialization is still hindered by some technological issues, among which the limited power density. This results in increased cell area and system costs. In order to tackle this issue is fundamental to boost the sluggish electrode kinetic. In the literature different wet processes, such as acid treatments, have been widely employed to add catalytic functionalities to commercial carbon electrodes [1,2]. Also plasma etching or pl

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23

Cui, Kaifang, Jin Gao, Siqi Li, Xue Leng, Liang Zhong, and Rongming Qiang. "A New Process for Efficient Non-Destructive Metal-Activated Composite Plating of Ni-P-Al2O3 on Titanium Base and Its Performance Research." Coatings 14, no. 9 (2024): 1203. http://dx.doi.org/10.3390/coatings14091203.

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A new high efficient and non-destructive mental activation process of electroless composite plating was proposed. The process utilized electromagnetic induction equipment to heat the titanium alloy substrate and used its energy to complete the activation process, which could successfully attach the nickel nanoparticles firmly to the surface of the titanium alloy; at the same time, the process pre-activated Al2O3 nanoparticles and added the activated nanoparticles to the plating solution. In the process of plating, the activated titanium substrate was used as the catalytic center of electroless

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24

Михайлова, Е. С., И. В. Тимощук, А. К. Горелкина та С. А. Семенова. "ВЛИЯНИЕ СОРБЦИИ ИОНОВ ЖЕЛЕЗА И МАРГАНЦА НА ИЗМЕНЕНИЕ ФИЗИКО-ХИМИЧЕСКИХ СВОЙСТВ ПОВЕРХНОСТИ КОКОСОВОГО УГЛЯ". Koks i khimiya, № 10-2024 (25 жовтня 2024): 2–12. https://doi.org/10.52351/00232815_2024_10_2.

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Активные угли характеризуются высокой степенью эффективности и уникальной способностью возможности глубокого извлечения контаминантов органического и минерального происхождения в широком интервале концентраций из водных растворов. В работе исследован сорбент на основе кокосовых косточек – Кокосовый активный уголь – исходный образец и после сорбции ионов железа, марганца из монорастворов в статических, кинетических и динамических условиях с использованием методов инфракрасной спектроскопии, рентгеновской фотоэлектронной спектроскопии, сканирующей электронной микроскопии, термического анализа, а

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Ivanenko, Olena, Yevgen Panov, Serhii Ivaniuta, Andrii Vahin, Serhii Dovholap, and Artem Martyniuk. "Use of ceramic fiber modified with ferrites for the cleaning of flue gases of graphitization furnaces." Proceedings of the NTUU “Igor Sikorsky KPI”. Series: Chemical engineering, ecology and resource saving, no. 1 (March 29, 2024): 62–75. http://dx.doi.org/10.20535/2617-9741.1.2024.300991.

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Gaseous emissions of industrial enterprises as a result of their economic activities adversely affect the ecological situation, and even worsen the sanitary and hygienic working conditions of the personnel. Carrying out chemical reactions in the furnace equipment of metallurgical and electrothermal production, as a rule, lead to the formation of gases containing various toxic impurities, including carbon monoxide, the disposal of which is an important environmental task. As the calculations show, the total amount of annual CO emissions in Ukraine is 704344.218 t/year, which in percentage terms

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26

Yuan, Li, Qianyu Zhang, Yiran Pu, Xiaoling Qiu, Can Liu, and Hao Wu. "Modulating Intrinsic Defect Structure of Fibrous Hard Carbon for Super‐Fast and High‐Areal Sodium Energy Storage." Advanced Energy Materials, March 22, 2024. http://dx.doi.org/10.1002/aenm.202400125.

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AbstractCreating defects by heteroatom doping is commonly approved in respect of enhancing fast sodium‐ion storage of carbonaceous anodes ascribing to rich external defects, but the contribution of intrinsic carbon defects (e.g., vacancy) in improving rate‐capability has rarely been investigated. Here, a bio‐derived fibrous hard carbon with high‐reversible intrinsic defects is synthesized via metal‐assisted‐catalytic strategy. It is found that sp2‐hybridized carbon is united through catalytic‐tuning during thermal‐etching process along with the formation of low‐potential planar intrinsic carbo

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27

Tran, D. D., C. Mannequin, M. Bonvalot, et al. "Thermal catalytic etching of diamond by double-metal layers." Diamond and Related Materials, April 2024, 111075. http://dx.doi.org/10.1016/j.diamond.2024.111075.

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28

Vandenbroucke, A. M., R. Morent, N. De Geyter, and C. Leys. "Decomposition of Trichloroethylene with Plasma-catalysis: A review." Journal of Advanced Oxidation Technologies 14, no. 1 (2011). http://dx.doi.org/10.1515/jaots-2011-0120.

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AbstractThe aim of this paper is to give a review of the research on the decomposition of trichloroethylene (TCE), a common industrial solvent, with combined use of non-thermal plasma and heterogeneous catalysis, i.e. plasma-catalysis. This air purification technique has been investigated over the last decade in an effort to overcome the disadvantages of non-thermal plasma treatment of waste air containing volatile organic compounds (VOCs). Some examples of different plasma technologies used for plasma-catalysis are given. These include the dielectric barrier discharge, the pulsed corona disch

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Morent, R., J. Dewulf, N. Steenhaut, C. Leys, and H. Van Langenhove. "Hybrid Plasma-Catalyst System for the Removal of Trichloroethylene in Air." Journal of Advanced Oxidation Technologies 9, no. 1 (2006). http://dx.doi.org/10.1515/jaots-2006-0108.

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AbstractNon-thermal plasmas are innovative and promising tools with respect to end-of-pipe treatment of waste gases. Among other features, they allow decomposition of low concentrations of volatile organic compounds in air streams at atmospheric pressure. In this paper, a plasma-catalytic hybrid system for the removal of trichloroethylene (TCE) in dry air is discussed. A pin-to-mesh electrode concept is used to obtain a positive corona discharge. A packed bed of TiO

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Dhakshinamoorthy, Amarajothi, Rubén Ramizrez-Grau, Hermenegildo García, and Ana Primo. "Opportunities of MXenes in Heterogeneous Catalysis. V2C as Aerobic Oxidation Catalyst." Chemistry – A European Journal, April 15, 2024. http://dx.doi.org/10.1002/chem.202400576.

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MXenes are 2D nanomaterials having alternating sheets of one atom‐thick early transition metal layer and one atom‐thick C or N layer. The external surface contains termination groups, whose nature depends on the etching agent used in the preparation procedure from the MAX phase. The present concept proposes that, due to their composition, the metal‐surface termination groups make MXenes particularly suited as heterogeneous catalysts for some reactions. T After presenting the concept, we have selected V2C Mxene as example to illustrate its catalytic activity showing how the catalytic performanc

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Zhao, Yueting, Pengyun Yu, and Jianping Wang. "Chlorine‐Modified Soluble Melem‐Based Graphitic Carbon Nitrite: Facile Synthesis, Catalytic Property and Ultrafast 2D IR Spectroscopic Characterization." ChemPhysChem, July 30, 2024. http://dx.doi.org/10.1002/cphc.202400356.

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On the basis of thermal etching bulk graphitic carbon nitride (g‐C3N4), a mild hydrochloric acid treatment method was used in this work to produce g‐C3N4 nano‐sheets (CNNS) and further carbon nitride with chloride‐modification (CNCl). The latter has thinner layer and smaller particle size and exhibit greatly improved dispersibility and solubility in water, DMSO and other polar solvents. A typical photocatalytic reaction in solution driven by CNCl shows a significantly improved photocatalytic performance over bulk g‐C3N4 and CNNS. Steady‐state analytical tools including SEM, mass, UV‐Vis and IR

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32

Li, Zhiqiang, Xing Chen, Ge Yao, et al. "Strengthening d‐p Orbital‐Hybridization via Coordination Number Regulation of Manganese Single‐Atom Catalysts Toward Fast Kinetic and Long‐Life Sodium–Sulfur Batteries." Advanced Functional Materials, March 13, 2024. http://dx.doi.org/10.1002/adfm.202400859.

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AbstractThe practical application of room‐temperature sodium‐sulfur (RT Na–S) batteries is blocked by the notorious shuttle effect of sodium polysulfides (NaPSs) and sluggish refox reaction kinetics. Single‐atom catalysts (SACs) have been widely studied for boosting the energy storage performance of RT Na‐S batteries. Nevertheless, the catalytic centers of SACs reported so far have focused mainly on symmetrical metal–N4 structures, which offer weak bonding affinity toward polar NaPSs, leading to detrimental shuttle effect and sluggish sulfur conversion kinetics. Herein, a novel asymmetrical Mn

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33

Liu, Chao, Xin-Yu Chen, Lan-Yan Li, et al. "Ag⁺‐Mediated Structural Reconstruction of a Metastable Cu35 Cluster Toward Cu–Ag Heterometallic Architectures for Superior Electrocatalytic CO2‐to‐Ethanol Conversion." Angewandte Chemie, July 8, 2025. https://doi.org/10.1002/ange.202511232.

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Controlled structural transformations of metal nanoclusters (NCs) via dynamic bond reorganization provide fundamental insights into cluster reactivity and open avenues for functionality tuning. Here, we report a thiacalix[4]arene‐protected Cu(I)‐alkynide cluster, {NaCu35(TC4A)4(Ph‐C≡C)20} (Cu35), which exhibits remarkable structural plasticity. This metastable cluster can grow into a Cu36 species via ion substitution or undergo thermal‐induced fragmentation to form a smaller Cu14 cluster. Under thermal etching by Ag+ ion, structural reconstruction is triggered, leading to the formation of the

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Cappelli, E., S. Orlando, F. Pinzari, and P. Ascarelli. "Pulsed Laser Treatment of WC, Co Tool Substrates to Improve Co Removing and Diamond Nucleation." MRS Proceedings 526 (1998). http://dx.doi.org/10.1557/proc-526-361.

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AbstractDiamond coated cutting tools seem to be one of the most promising system to machine non ferrous, very hard materials, like metal matrix composites (MMC), carbon fibers, hypereutectic Al/Si alloys. The widespread used and cheaper bulk material for tool inserts, the WC,Co hard metal, is convenient and profitable as a substrate for diamond film coatings. Unfortunately, the Co-rich binder phase constitutes a severe obstacle for diamond deposition. Because of the catalytic effect for amorphous carbon or soot formation, the presence of Co actually results in a detrimental effect both on diam

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