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Journal articles on the topic 'SmCo'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 May 2024

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1

Morikawa, Hirofumi, Takashi Morishita, Shiho Kawane, Hiroshi Iwasaki, Antony M. Carr, and Hideo Shinagawa. "Rad62 Protein Functionally and Physically Associates with the Smc5/Smc6 Protein Complex and Is Required for Chromosome Integrity and Recombination Repair in Fission Yeast." Molecular and Cellular Biology 24, no. 21 (November 1, 2004): 9401–13. http://dx.doi.org/10.1128/mcb.24.21.9401-9413.2004.

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ABSTRACT Smc5 and Smc6 proteins form a heterodimeric SMC (structural maintenance of chromosome) protein complex like SMC1-SMC3 cohesin and SMC2-SMC4 condensin, and they associate with non-SMC proteins Nse1 and Nse2 stably and Rad60 transiently. This multiprotein complex plays an essential role in maintaining chromosome integrity and repairing DNA double strand breaks (DSBs). This study characterizes a Schizosaccharomyces pombe mutant rad62-1, which is hypersensitive to methyl methanesulfonate (MMS) and synthetically lethal with rad2 (a feature of recombination mutants). rad62-1 is hypersensitive to UV and gamma rays, epistatic with rhp51, and defective in repair of DSBs. rad62 is essential for viability and genetically interacts with rad60, smc6, and brc1. Rad62 protein physically associates with the Smc5-6 complex. rad62-1 is synthetically lethal with mutations in the genes promoting recovery from stalled replication, such as rqh1, srs2, and mus81, and those involved in nucleotide excision repair like rad13 and rad16. These results suggest that Rad62, like Rad60, in conjunction with the Smc5-6 complex, plays an essential role in maintaining chromosome integrity and recovery from stalled replication by recombination.

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2

Liu, X. H., L. Y. Cui, S. X. Zhou, C. Y. Wang, B. Y. Quan, L. J. Wang, W. Zheng, A. L. Wang, and J. C. Chen. "Magnetic properties of SmCo/Fe/SmCo trilayer films." Materials Science and Engineering: A 304-306 (May 2001): 969–71. http://dx.doi.org/10.1016/s0921-5093(00)01585-9.

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3

Chen, Yuqi, Heng Wang, and Bing Li. "Electrodeposition of SmCo alloy nanowires with a large length-diameter ratio from SmCl3–CoCl2–1-ethyl-3-methylimidazolium chloride ionic liquid without template." RSC Advances 5, no. 49 (2015): 39620–24. http://dx.doi.org/10.1039/c5ra03750f.

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4

Li, Li Ya, Jian Hong Yi, Ai Kun Li, and Yuan Dong Peng. "Investigation of Magnetic Behavior of SmCo₅/SmCo₂ Nanocrystalline Magnets." Applied Mechanics and Materials 303-306 (February 2013): 2644–47. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.2644.

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Nanocrystalline magnets (SmCo5)94(Cr3C2)6 were prepared using melt-spinning and their magnetic behaviors were investigated by studying their structures and magnetic properties. The alloys prepared using rapid solidification consisted of SmCo5 matrix phase, MgCu2-type SmCo2 secondary phase, and small traces of Sm2Co7 phase. The solidification with higher wheel speed were found to be preferable for the formation of single SmCo2 secondary phase. Relatively high coercive values of 28–36 kOe and high reduced remanence of 0.78–0.79 were observed for the SmCo5/SmCo2 nanocrystalline magnets. The shape of the corresponding magnetization curves revealed that two magnetization processes, nucleation and pinning of domain walls, took place in these magnets. The Henkel plots indicated strong inter-grain exchange coupling effect in these ribbons, consequently resulted in the phenomena of domains interacting with each other and enhancement of the remanence in the ribbons.

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5

Wu, Junwei, Chengming Li, Christopher Johnson, and Xingbo Liu. "Evaluation of SmCo and SmCoN magnetron sputtering coatings for SOFC interconnect applications." Journal of Power Sources 175, no. 2 (January 2008): 833–40. http://dx.doi.org/10.1016/j.jpowsour.2007.09.105.

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6

Zhang, Qi Ping, Qing Qing Fang, Wei Na Wang, Qing Rong Lv, Yan Mei Liu, and Han Ming Zhang. "Buffer Layer Effects on the Structure and Morphology of SmCo/Cu Thin Films." Advanced Materials Research 476-478 (February 2012): 2415–18. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.2415.

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In this paper, we investigated the structure of SmCo films with different thickness and the effects of Cr buffer layer on the structure and morphology of SmCo/Cu thin films. Our data revealed that the magnetic properties of the samples were enhanced by the crystallization of SmCo which was promoted by the optimized Cu underlayers. We also found that the surface roughness can be decreased by Cr layer and the texture can be improved by prolonging the annealing time for thick SmCo film. Thus, we concluded that the magnetic properties of SmCo/Cu films can be further optimized by varying the thickness of Cr buffer layers.

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7

Tian, Jian Jun. "Effect of Additives on the Formation of SmCo Magnetic Nanoparticles by Chemical Synthesis." Materials Science Forum 809-810 (December 2014): 9–16. http://dx.doi.org/10.4028/www.scientific.net/msf.809-810.9.

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Monodispersed magnetic SmCo nanoparticles have been prepared by polyol synthesis using non-toxic inorganic precursors (nitrates). The effect of the additives of NaOH, HNO3, CH3COOH and poly vinyl pyrrolidone (PVP) on the formation of SmCo nanoparticles is studied in this paper. The results indicate that base solution can boost the reduction of Co while acid solution is helpful for the formation of SmCo due to decreasing the reduction velocity of Co. CH3COOH is appropriate additive for the synthesis of SmCo nanoparticles, but more addition of CH3COOH will result in the emergence of CoC2 phase and decrease the coercivity of the resultants. The additive of PVP not only is a dispersing agent, but can prevent them from oxidating during preparation process. The SmCo nanoparticles with a size of 5-8 nm have the ferromagnetic properties of high coercivity (>1000 Oe).

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8

Baker, Sarah E., Alexander A. Baker, Christine A. Orme, Matthew A. Worthington, Tian T. Li, Edwin M. Sedillo, Jessica Dudoff, Jonathan R. I. Lee, Joshua D. Kuntz, and Scott K. McCall. "Calcium vapor synthesis of extremely coercive SmCo₅." RSC Advances 12, no. 6 (2022): 3721–28. http://dx.doi.org/10.1039/d1ra07244g.

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9

Wang, Can, Qing Qing Fang, Dang Dang Wang, Jin Jin Yang, and Jin Guang Li. "Effect of Cu,Cr Co-Doped on Structure and Magnetic Properties of Sm₂Co₁₇ Alloy Films." Advanced Materials Research 936 (June 2014): 315–21. http://dx.doi.org/10.4028/www.scientific.net/amr.936.315.

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Sm2Co17:Cu,Crfilms growing on Cr buffer layer and Cu seed layer were prepared by pulsed laser deposition(PLD) methodbased on Si(100) substrate. The results showed that Cu and Cr co-doped in SmCo films made the refinement of crystal grain and the increase of coercivity of SmCo. Beside, the experiments found that the incorporation of Cu and Cr in SmCo films resulted in a positive effect of the exchange bias for SmCo-CuCr system. We suggested that the mechanism of the exchange bias origins from the interaction of ferromagnetic-antiferromagnetic state (FM-AFM, SmCo-CuCr). Meanwhile, the magnetic measurment of added magnetic field and zero-field-cooled (FC-ZFC) at temperature range of 10K~300K has further confirmed the critical value of FM-AFM tansform is about 80K, which is suggested that it was attributed to the coupling competition of FM phase and AFM phase.

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10

Wei, J. C., M. Schwartz, and K. Nobe. "Aqueous Electrodeposition of SmCo Alloys." Journal of The Electrochemical Society 155, no. 10 (2008): D660. http://dx.doi.org/10.1149/1.2961013.

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11

Pragnell, W. M., A. J. Williams, and H. E. Evans. "The oxidation of SmCo magnets." Journal of Applied Physics 103, no. 7 (April 2008): 07E127. http://dx.doi.org/10.1063/1.2830559.

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12

Neu, V., S. Zimmermann, S. Sawatzki, I. Monch, and L. Schultz. "Imaging the Magnetization Processes in Epitaxial Exchange Coupled SmCo$_{5}$/Fe/SmCo$_{5}$ Trilayers." IEEE Transactions on Magnetics 48, no. 11 (November 2012): 3644–47. http://dx.doi.org/10.1109/tmag.2012.2195299.

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13

Zhang, Qian, Wenpeng Song, Guangwei Huang, Li Lou, Fuchen Hou, Defeng Guo, Xiaohong Li, and Xiangyi Zhang. "Crystallization process and kinetics of SmCo/Fe and SmCo/FeCo partially crystallized amorphous alloys." Journal of Non-Crystalline Solids 432 (January 2016): 361–65. http://dx.doi.org/10.1016/j.jnoncrysol.2015.10.034.

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14

Xu, Xiao-Hong, Hai-Shun Wu, Jing-Fang Duan, Fang Wang, Fang Jin, and Zuo-Yi Lee. "Statistical approach for the optimal deposition of SmCo layer for SmCo/Cr magnetic films." Physica B: Condensed Matter 334, no. 1-2 (June 2003): 207–11. http://dx.doi.org/10.1016/s0921-4526(03)00066-8.

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15

Suwanangul, Saranya, Pannapapol Jaichakan, Nukrob Narkprasom, Supaluck Kraithong, Kanjana Narkprasom, and Papungkorn Sangsawad. "Innovative Insights for Establishing a Synbiotic Relationship with Bacillus coagulans: Viability, Bioactivity, and In Vitro-Simulated Gastrointestinal Digestion." Foods 12, no. 19 (October 8, 2023): 3692. http://dx.doi.org/10.3390/foods12193692.

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This study investigates the use of encapsulating agents for establishing a synbiotic relationship with Bacillus coagulans (TISTR 1447). Various ratios of wall materials, such as skim milk powder, maltodextrin, and cellulose acetate phthalate (represented as SMC1, SMC3, SMC5, and SMC7), were examined. In all formulations, 5% inulin was included as a prebiotic. The research assessed their impact on cell viability and bioactive properties during both the spray-drying process and in vitro gastrointestinal digestion. The results demonstrate that these encapsulating agents efficiently protect B. coagulans spores during the spray-drying process, resulting in spore viability exceeding 6 log CFU/g. Notably, SMC5 and SMC7 displayed the highest spore viability values. Moreover, SMC5 showcased the most notable antioxidant activity, encompassing DPPH, hydroxy radical, and superoxide radical scavenging, as well as significant antidiabetic effects via the inhibition of α-amylase and α-glucosidase. Furthermore, during the simulated gastrointestinal digestion, both SMC5 and SMC7 exhibited a slight reduction in spore viability over the 6 h simulation. Consequently, SMC5 was identified as the optimal condition for synbiotic production, offering protection to B. coagulans spores during microencapsulation and gastrointestinal digestion while maintaining bioactive properties post-encapsulation. Synbiotic microcapsules containing SMC5 showcased a remarkable positive impact, suggesting its potential as an advanced food delivery system and a functional ingredient for various food products.

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16

Barry, T. N., and T. R. Manley. "Responses to oral methionine supplementation in sheep fed on kale (Brassica oleracea) diets containing S-methyl-L-cysteine sulphoxide." British Journal of Nutrition 54, no. 3 (November 1985): 753–61. http://dx.doi.org/10.1079/bjn19850161.

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1. Responses to twice-weekly oral supplementation with 4.0 g methionine were measured with lambs (27 kg) grazing kale (Brassica oleracea) for 10 weeks (Expt 1). In a second experiment with sheep fed on kale at hourly intervals, rumen fractional outflow rates of CrEDTA and ruthenium Tris(1, 10 phenanthroline) markers were measured from the rates of decline in their concentrations. Rumen turnover of S-methyl-L-cysteine sulphoxide (SMCO) and of carbohydrate (CHO) constituents were also measured. The kale fed contained 11.4 g SMCO/kg dry matter and the ratio, readily-fermentable: structural CHO was high at 2.9.2. Severe haemolytic anaemia, associated with low live-weight gain (LWG), occurred in the lambs during the initial 5 weeks of grazing, due to rumen fermentation of SMCO. Oral methionine supplementation raised plasma concentrations of methionine and cysteine, increased wool growth rate, and increased LWG during the initial 5 weeks. Methionine supplementation also increased rumen pool and plasma SMCO concentrations, suggesting reduced rumen SMCO fermentation.3. In Expt 2, rumen degradation rate of SMCO (1.2/h) was calculated to be twice as fast as that of the most rapidly fermented dietary CHO constituents and eight times faster than the rate of water outflow (0.16/h), thus explaining its virtually complete rumen degradation and toxicity in brassica diets. It was estimated that 1.2 g of each 4.0 g methionine administered would have escaped rumen degradation, due to the high rate of water outflow from the rumen.4. Disappearance rates of CHO constituents from the rumen were as predicted for normal ruminant diets, showing that rumen metabolism of SMCO did not have a depressive effect. Hemicellulose disappeared at a slower rate than the other CHO, suggesting that hemicellulose digestion may be rate-limiting for cell-wall digestion.5. It is suggested that the responses to oral methionine supplementation can be explained through methionine reducing rumen SMCO degradation, and through a significant portion of the methionine escaping rumen degradation.

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17

Rodríguez, Carlos Iván Rodríguez, José Rurik Farías Mancilla, Karla Edith Vega Chavez, Francisco Espinosa Magaña, Sion Federico Olive Méndez, and José Trinidad Elizalde Galindo. "Effect of Thickness on Magnetic Dipolar and Exchange Interactions in SmCo/FeCo/SmCo Thin Films." Advances in Materials Physics and Chemistry 05, no. 09 (2015): 368–73. http://dx.doi.org/10.4236/ampc.2015.59037.

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18

Ma, Zhenhui, Tianli Zhang, and Chengbao Jiang. "Exchange-coupled SmCo5/Co nanocomposites synthesized by a novel strategy." RSC Advances 5, no. 108 (2015): 89128–32. http://dx.doi.org/10.1039/c5ra15079e.

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SmCo₅/Co nanocomposites with exchange-coupling are synthesized by a reverse design where Co is decomposed from SmCo₅ nanoparticles by hydrogen disproportionation process to fabricate two-phase nanocomposites.

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19

Numata, Takuhisa, Hideki Kiriyama, Seiji Inokuchi, and Yoshifumi Sakurai. "Magnetic anisotropy in SmCo amorphous films." Journal of Applied Physics 64, no. 10 (November 15, 1988): 5501–3. http://dx.doi.org/10.1063/1.342313.

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20

Chouarbi, K., M. Woytasik, E. Lefeuvre, and J. Moulin. "SmCo micromolding in an aqueous electrolyte." Microsystem Technologies 19, no. 6 (April 25, 2013): 887–93. http://dx.doi.org/10.1007/s00542-013-1806-z.

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21

Pragnell, W. M., H. E. Evans, and A. J. Williams. "The oxidation kinetics of SmCo alloys." Journal of Alloys and Compounds 473, no. 1-2 (April 2009): 389–93. http://dx.doi.org/10.1016/j.jallcom.2008.05.083.

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22

Pragnell, W. M., A. J. Williams, and H. E. Evans. "The oxidation morphology of SmCo alloys." Journal of Alloys and Compounds 487, no. 1-2 (November 2009): 69–75. http://dx.doi.org/10.1016/j.jallcom.2009.07.115.

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23

Liu, X. H., G. Yan, L. Y. Cui, S. X. Zhou, W. Zheng, A. L. Wang, and J. C. Chen. "Influence of FeCo-interlayer thickness on remanence and coercivity in SmCo/FeCo/SmCo triple-layer films." IEEE Transactions on Magnetics 35, no. 5 (1999): 3331–33. http://dx.doi.org/10.1109/20.800515.

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24

Jekal, Soyoung. "Dependence of Atomic Thickness on Interfacial Conditions and Magnetocrystalline Anisotropy in SmCo5/Sm2Co17 Multilayer." Materials 12, no. 1 (December 24, 2018): 56. http://dx.doi.org/10.3390/ma12010056.

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We have performed first-principles calculations to study the interfacial exchange coupling and magnetocrystalline anisotropy energy in a SmCo 5 /Sm 2 Co 17 multilayer model system. The phase of SmCo 5 and Sm 2 Co 17 stacking along (0001) direction are structurally well matched. The atomic structure, including the alignment and the separation between layers, were firstly optimized. Then the non-collinear magnetic structures were calculated to explore the exchange coupling across the interface and the variation of magnetocrystalline anisotropy energy. We found that the inter-phase exchange coupling strength, rotating behavior and magnetocrystalline anisotropy strongly depend on the atomic thickness of the SmCo 5 and Sm 2 Co 17 phase.

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25

Kuru, Mehmet, Erhan Ongun, Asım Özmeti̇n, Mehmet Hançer, and Ali Esad Özmeti̇n. "Fabrication and Characterization of Permanent Magnetic SmCo₅Thin Films by SQUID Magnetometer." Materials Science Forum 915 (March 2018): 16–21. http://dx.doi.org/10.4028/www.scientific.net/msf.915.16.

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Fabrication of hard magnetic thin films is a key issue on the development of new micro electro mechanical systems. As the magnetically hard SmCo thin-films offer excellent intrinsic magnetic properties, such as moderate saturation magnetization, large magnetic anisotropy, and high Curie temperature, they are considered as a promising candidate to be used for novel MEMS applications. In this work, SmCo5 thin films with Cu underlayer were grown onto Si (100) substrate at room temperature by RF magnetron sputtering technique. The samples were annealed at 400 ̊C and 500 ̊C under Ar atmosphere condition. Microstructural and magnetic properties of sputtered SmCo5 thin films were investigated by a number of advanced characterization tools and techniques. Phase composition of SmCo5 thin films was analyzed by grazing incident X-ray diffraction (GIXRD) with Cu-Kα radiation. Surface morphology was investigated by scanning electron microscopy (SEM) and atomic force microscopy (AFM) techniques. Magnetic force microscopy (MFM) technique was used to take stray-field images of SmCo5 thin films, and finally magnetic properties were investigated to explain the coercivity of SmCo5 thin films using superconducting quantum interference device (SQUID) as a magnetometer.

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26

Duncan, A. J., and J. A. Milne. "The effect of ruminal metabolites of brassica-derived glucosinolates and s-methyl cysteine sulphoxide (smco) on the voluntary intake and metabolism of sheep." Proceedings of the British Society of Animal Production (1972) 1990 (March 1990): 34. http://dx.doi.org/10.1017/s030822960001816x.

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Both glucosinolates and S-methyl cysteine sulphoxide (SMCO) have been implicated in the suboptimal intakes observed among lambs consuming forage brassicas. However, the effects on animal performance of the compounds administered in isolation have been marginal (Barry et al, 1982) and the toxicity of the compounds may be enhanced by interactions between their physiological effects. In order to test this, an experiment was conducted in which rumen metabolites of both SMCO and the predominant kale glucosinolate, sinigrin, were administered in combination to sheep and effects on voluntary intake and blood chemistry were examined. SMCO is hydrolysed in the rumen to dimethyl disulphide by a bacterial enzyme while sinigrin undergoes hydrolysis in crushed plant tissue to allyl isothiocyanate and allyl cyanide under plant enzyme catalysis.

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27

Ampatzidou, Eleni, Anja Irmisch, Matthew J. O'Connell, and Johanne M. Murray. "Smc5/6 Is Required for Repair at Collapsed Replication Forks." Molecular and Cellular Biology 26, no. 24 (October 9, 2006): 9387–401. http://dx.doi.org/10.1128/mcb.01335-06.

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ABSTRACT In eukaryotes, three pairs of structural-maintenance-of-chromosome (SMC) proteins are found in conserved multisubunit protein complexes required for chromosomal organization. Cohesin, the Smc1/3 complex, mediates sister chromatid cohesion while two condensin complexes containing Smc2/4 facilitate chromosome condensation. Smc5/6 scaffolds an essential complex required for homologous recombination repair. We have examined the response of smc6 mutants to the inhibition of DNA replication. We define homologous recombination-dependent and -independent functions for Smc6 during replication inhibition and provide evidence for a Rad60-independent function within S phase, in addition to a Rad60-dependent function following S phase. Both genetic and physical data show that when forks collapse (i.e., are not stabilized by the Cds1Chk2 checkpoint), Smc6 is required for the effective repair of resulting lesions but not for the recruitment of recombination proteins. We further demonstrate that when the Rad60-dependent, post-S-phase Smc6 function is compromised, the resulting recombination-dependent DNA intermediates that accumulate following release from replication arrest are not recognized by the G2/M checkpoint.

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28

Liu Xiang-Hua, Yan Ge, Cui Li-Ya, Zhou Shao-Xiong, Wang Chong-Yu, Zheng Wu, Wang Ai-Ling, and Chen Jin-Chang. "Magnetic Properties of Nanostructured SmCo/FeCo Multilayers." Acta Physica Sinica 48, no. 13 (1999): 180. http://dx.doi.org/10.7498/aps.48.180.2.

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29

Takei, S., A. Morisako, M. Matsumoto, T. Haeiwa, S. Shomura, and Y. Minemura. "Magnetic Properties of SmCo Alloy Thin Films." Journal of the Magnetics Society of Japan 20, no. 2 (1996): 241–44. http://dx.doi.org/10.3379/jmsjmag.20.241.

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30

SoltanMohammad, Sina, Serguei Belochapkine, F. P. Missell, and F. M. F. Rhen. "Preisach analysis of sputtered SmCo thick films." Journal of Applied Physics 113, no. 14 (April 14, 2013): 143901. http://dx.doi.org/10.1063/1.4799410.

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31

Vlasko-Vlasov, V. K., U. Welp, Z. J. Guo, J. S. Jiang, J. E. Pearson, J. P. Liu, D. J. Miller, Y. Tang, and S. D. Bader. "Remagnetization processes in SmCo/NdCo exchange springs." Journal of Applied Physics 93, no. 10 (May 15, 2003): 6486–88. http://dx.doi.org/10.1063/1.1541634.

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32

Speliotis, Thanassis, and Dimitris Niarchos. "Microstructure and magnetic properties of SmCo films." Journal of Magnetism and Magnetic Materials 290-291 (April 2005): 1195–97. http://dx.doi.org/10.1016/j.jmmm.2004.11.383.

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33

Wang, Dapeng, Narayan Poudyal, Chuanbing Rong, Ying Zhang, M. J. Kramer, and J. Ping Liu. "Exchange-coupled nanoscale SmCo/NdFeB hybrid magnets." Journal of Magnetism and Magnetic Materials 324, no. 18 (September 2012): 2836–39. http://dx.doi.org/10.1016/j.jmmm.2012.04.018.

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34

Majetich, S. A., and E. M. Kirkpatrick. "Magnetization reversal in SmCo/sub 5/ nanoparticles." IEEE Transactions on Magnetics 33, no. 5 (1997): 3721–23. http://dx.doi.org/10.1109/20.619550.

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35

Tada, J., M. Akihiro, and T. Satoh. "SmCo Thin Films with Less Sm Content." IEEE Translation Journal on Magnetics in Japan 1, no. 3 (June 1985): 393–94. http://dx.doi.org/10.1109/tjmj.1985.4548612.

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36

Sugiyama, A., I. Koizumi, Y. Egawa, M. Yoshino, J. Hokkyo, T. Asahi, and T. Osaka. "Fabrication of SmCo$_{5}$-CrTa Granular Films." IEEE Transactions on Magnetics 46, no. 6 (June 2010): 1699–701. http://dx.doi.org/10.1109/tmag.2010.2042427.

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37

Zhang, Hongwang, Sheng Peng, Chuan-bing Rong, J. Ping Liu, Ying Zhang, M. J. Kramer, and Shouheng Sun. "Chemical synthesis of hard magnetic SmCo nanoparticles." Journal of Materials Chemistry 21, no. 42 (2011): 16873. http://dx.doi.org/10.1039/c1jm11753j.

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38

Eldosouky, Anas, and Irena Škulj. "Hydrogen Reaction with SmCo Compounds: Literature Review." Journal of Sustainable Metallurgy 4, no. 4 (October 30, 2018): 516–27. http://dx.doi.org/10.1007/s40831-018-0195-z.

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39

Shahzad, F., S. A. Siddiqi, and J. Zhou. "Fabrication and Characterization of SmCo 5 /Fe 65 Co 35 and SmCo 5 /Fe Composite Spring Exchange Magnets." Chinese Physics Letters 25, no. 7 (July 2008): 2642–44. http://dx.doi.org/10.1088/0256-307x/25/7/085.

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40

Kopte, Martin, Simon Sawatzki, Ludwig Schultz, and Volker Neu. "The Nucleation of the Spin Spiral in Epitaxial ${\rm SmCo}_{5}/{\rm Fe/SmCo}_{5}$ Exchange Spring Trilayers." IEEE Transactions on Magnetics 47, no. 10 (October 2011): 3736–39. http://dx.doi.org/10.1109/tmag.2011.2154303.

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41

Vander, Isaac, R. W. Zuneska, and F. J. Cadieu. "Thickness determination of SmCo films on silicon substrates utilizing X-ray diffraction." Powder Diffraction 25, no. 2 (June 2010): 149–53. http://dx.doi.org/10.1154/1.3392301.

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This paper presents a nondestructive measurement technique for the determination of the film thicknesses of Co and SmCo based magnetic films deposited by sputtering on single-crystal silicon (100) substrates. X-ray diffraction of Cu Kα radiation has been used to measure the intensity of the (400) reflection from bare silicon substrates and as attenuated by sputter coated Co and SmCo based films on Si substrates. A four-axis research diffractometer allowed the substrate orientation to be fine adjusted to maximize the (400) diffraction intensity. The thickness of SmCo based films was in a range from 0.05 to 5 μm. Co film thicknesses on Si could be measured to a few tens of nanometers. The accuracy of the thickness measurements depends on the effective mass attenuation coefficient of the film material. For the materials considered, the thicknesses determined by the X-ray attenuation method agree within at least several percent to values determined by other methods.

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42

Wang, Jian-Zhi, Yi-Hsun Hsieh, Yi-Chin Tang, and Yun-Hwei Shen. "Separation of Cobalt, Samarium, Iron, and Copper in the Leaching Solution of Scrap Magnets." Metals 13, no. 1 (December 31, 2022): 90. http://dx.doi.org/10.3390/met13010090.

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With the growing awareness of protecting the urban environment and the increasing demand for strategic materials, recycling of SmCo magnets has become imperative. This paper provides a series of methods regarding the available hydrometallurgical technologies for recycling scrap magnets. This study aimed to recover samarium (Sm), cobalt (Co), copper (Cu), and iron (Fe) from acid leachate of SmCo scrap by using precipitation and ion exchange. IRC748 showed a good adsorption capacity for Fe and Cu. Elution tests were conducted using sulfuric acid at the concentration of 2N as eluents. Precipitation was performed first using a selective chemical precipitation method, and the Sm was first precipitated as a sodium samarium sulfate powder. Then, the samarium-deprived solution was placed in the beaker, and the addition of oxalic acid promoted cobalt oxalate precipitation. Furthermore, the leachate, which is rich in Cu and Fe, was mixed with oxalic acid to obtain the copper oxalate precipitation. This study successfully recovered SmCo magnets through ion exchange and precipitants.

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43

Abbas, Nadeem, Jian-zhong Ding, J. Ping Liu, Juan Du, Wei-xing Xia, A.-ru Yan, Fang Wang, and Jian Zhang. "Well protected SmCo nanoclusters: fabrication and transformation to single crystals." RSC Advances 7, no. 81 (2017): 51695–701. http://dx.doi.org/10.1039/c7ra10158a.

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44

Arghir, George. "The SmCo₅ Intermetallic Compound Sintering." Advanced Materials Research 1114 (July 2015): 29–37. http://dx.doi.org/10.4028/www.scientific.net/amr.1114.29.

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Abstract:

The SmCo5has three sintering stages using spheres (0.6 – 1.0 mm diameter) at temperatures between 1030 and 1200 °C. During the first stage the neck radius increases as X2~ t for less than 1200 °C temperature, the exponent is 3 at 1200 °C. Interdiffusion is sintering mechanism for exponent of 2. Sm diffuses from inside to the surface, where it is oxidized and oxides fills the neck between the spheres. Co diffuses through the oxides. At 1200 °C the sintering mechanism is evaporation-condensation of Sm. The activation enthalpy of the first stage is 582 kJmol-1for temperatures above 1130 °C and 210 kJmol-1bellow 1130 °C, respectively. The second stage is characterized by a plateau where the neck growth is arrested. The small pores in the neck and in the sphere surface layer (formed during the first stage) shrink. When these pores disappear a continuous α-Co layer forms and the third stage starts. It is essential growth of the neck formed by dense Co layer. The law of sintering is X4~ t. The activation enthalpy (276 kJmol-1at temperatures above 1130 °C) closes the activation enthalpy of Co self-diffusion. This (together with the exponent of 4) suggests that the Co layer plays a role similar to that of a liquid film. Making slight changes in the chemical composition of the alloys and substituting an argon atmosphere to vacuum have no influence or stages and sintering mechanisms.

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Chen, K., H. Hegde, S. U. Jen, and F. J. Cadieu. "Different types of anisotropy in amorphous SmCo films." Journal of Applied Physics 73, no. 10 (May 15, 1993): 5923–25. http://dx.doi.org/10.1063/1.353522.

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Gomez, Elvira, Elisa Valles, Paula Cojocaru, Anahit Raygani, and Luca Magagnin. "Electrodeposition of SmCo Nanostructures in Deep Eutectic Solvent." ECS Transactions 41, no. 44 (December 16, 2019): 3–9. http://dx.doi.org/10.1149/1.4718387.

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Chen, Jue, and Lutz Rissing. "Electroplating hard magnetic SmCo for magnetic microactuator applications." Journal of Applied Physics 109, no. 7 (April 2011): 07A766. http://dx.doi.org/10.1063/1.3565414.

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Dias, Andre, Gabriel Gomez, Dominique Givord, Marlio Bonfim, and Nora M. Dempsey. "Preparation and characterisation of compositionally graded SmCo films." AIP Advances 7, no. 5 (February 23, 2017): 056227. http://dx.doi.org/10.1063/1.4977228.

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Akdogan, O., and N. G. Akdogan. "SmCo-based MFM probes with high switching fields." Journal of Magnetism and Magnetic Materials 520 (February 2021): 167124. http://dx.doi.org/10.1016/j.jmmm.2020.167124.

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Eldosouky, Anas, and Irena Škulj. "Recycling of SmCo 5 magnets by HD process." Journal of Magnetism and Magnetic Materials 454 (May 2018): 249–53. http://dx.doi.org/10.1016/j.jmmm.2018.01.064.

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