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Hydrazine Sulfate Polymorphic Modifications: Liquid Phase Crystallization and Some Properties 硫酸肼的多态改性：液相结晶及一些性能
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524602119
M. V. Kudryashov, P. D. Drozhilkin, N. V. Somov
{"title":"Hydrazine Sulfate Polymorphic Modifications: Liquid Phase Crystallization and Some Properties","authors":"M. V. Kudryashov,&nbsp;P. D. Drozhilkin,&nbsp;N. V. Somov","doi":"10.1134/S1063774524602119","DOIUrl":"10.1134/S1063774524602119","url":null,"abstract":"<p>The formation of orthorhombic and monoclinic polymorphic modifications of hydrazine sulfate from an aqueous solution in the temperature range from 5 to 35°C was studied. A curve of the hydrazine sulfate solubility in water in the range of 5–25°C was obtained. It is shown that, with a decrease in the growth temperature, the mass fraction of precipitated monoclinic hydrazine sulfate crystals increases. A possible temperature-induced transition from the orthorhombic to the monoclinic modification was detected when cooling to the boiling temperature of liquid nitrogen.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 7","pages":"1169 - 1172"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143422982","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retraction Note: Synthesis and Properties of Fe/Ni Nanotubes 注：Fe/Ni纳米管的合成与性能
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524060014
A. L. Kozlovskiy, M. V. Zdorovets, K. K. Kadyrzhanov
{"title":"Retraction Note: Synthesis and Properties of Fe/Ni Nanotubes","authors":"A. L. Kozlovskiy,&nbsp;M. V. Zdorovets,&nbsp;K. K. Kadyrzhanov","doi":"10.1134/S1063774524060014","DOIUrl":"10.1134/S1063774524060014","url":null,"abstract":"","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"1007 - 1007"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bi Nanostructures Obtained on Si Substrates by Thermal Evaporation 热蒸发法制备硅基铋纳米结构
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524602077
G. N. Kozhemyakin, S. A. Kiiko, A. V. Kiiko, V. V. Artemov, I. S. Volchkov
{"title":"Bi Nanostructures Obtained on Si Substrates by Thermal Evaporation","authors":"G. N. Kozhemyakin,&nbsp;S. A. Kiiko,&nbsp;A. V. Kiiko,&nbsp;V. V. Artemov,&nbsp;I. S. Volchkov","doi":"10.1134/S1063774524602077","DOIUrl":"10.1134/S1063774524602077","url":null,"abstract":"<p>Low dimension Bi structures were obtained on Si(100) substrates by thermal evaporation in Ar at 10‒20 s deposition time. The sizes and distribution density of Bi nano- and microcrystals were determined by computer processing of electron SEM-images. The nanocrystal density was larger than the microcrystal density by a factor of 260. The decrease of the nanocrystal density by a factor of 2 with the increase of their sizes was observed with the increase up to 20 s deposition time. X-ray diffraction analysis has revealed oxide layers on Bi nanocrystals and the Si substrate surface. The decrease of Bi nanocrystals sizes and the increase of their density on the Si substrates as compared of deposition on glassy carbon substrates was established.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"939 - 944"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystallization of Aminium Salts and Amides of Trifluoroacetic Acid. Molecular Structure of Ethylenediamine N,N'-Bis(trifluoroacetyl) 三氟乙酸的铵盐和酰胺的结晶。乙二胺N，N′-双（三氟乙酰基）的分子结构
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524601692
V. V. Semenov, N. V. Zolotareva, N. M. Lazarev, B. I. Petrov, G. K. Fukin, A. V. Cherkasov, T. I. Lopatina, T. I. Kulikova, T. A. Kovylina, E. N. Razov
{"title":"Crystallization of Aminium Salts and Amides of Trifluoroacetic Acid. Molecular Structure of Ethylenediamine N,N'-Bis(trifluoroacetyl)","authors":"V. V. Semenov,&nbsp;N. V. Zolotareva,&nbsp;N. M. Lazarev,&nbsp;B. I. Petrov,&nbsp;G. K. Fukin,&nbsp;A. V. Cherkasov,&nbsp;T. I. Lopatina,&nbsp;T. I. Kulikova,&nbsp;T. A. Kovylina,&nbsp;E. N. Razov","doi":"10.1134/S1063774524601692","DOIUrl":"10.1134/S1063774524601692","url":null,"abstract":"<p>Trifluoroacetamide CF<sub>3</sub>C(O)NH<sub>2</sub>, N,N'-bis(trifluoroacetyl)ethylenediamine CF<sub>3</sub>C(O)NHCH<sub>2</sub>CH<sub>2</sub>HN(O)CCF<sub>3</sub>, trifluoroacetyl-2-aminoethanol CF<sub>3</sub>C(O)NHCH<sub>2</sub>CH<sub>2</sub>ОН, and 1,2-bis(trifluoroacetylaminoethoxy)ethane CF<sub>3</sub>C(O)NHCH<sub>2</sub>CH<sub>2</sub>ОCH<sub>2</sub>CH<sub>2</sub>ОCH<sub>2</sub>CH<sub>2</sub>НN(O)CCF<sub>3</sub> were synthesized by the thermal decomposition (200–250°С, Ar) of the corresponding ammonium and aminium salts, such as ammonium trifluoroacetate CF<sub>3</sub>C(O)O<sup>‒ +</sup>NH<sub>4</sub>, N,N'-ethylenediamine bis(trifluoroacetate) CF<sub>3</sub>COO<sup>‒ +</sup>NH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>H<sub>3</sub>N<sup>+ ‒</sup>OOCCF<sub>3</sub>, 2-aminoethanol trifluoroacetate CF<sub>3</sub>COO<sup>‒ +</sup>NH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>ОН, and 1,2-bis(aminoethoxy)ethane bis(2-trifluoroacetate) CF<sub>3</sub>COO<sup>‒ +</sup>NH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>ОCH<sub>2</sub>CH<sub>2</sub>ОCH<sub>2</sub>CH<sub>2</sub>Н<sub>3</sub>N<sup>+ ‒</sup>OOCCF<sub>3</sub>. The synthesized compounds were characterized by elemental analysis, powder X-ay diffraction, IR and NMR spectroscopy, mass spectrometry, thermogravimetry, optical and scanning electron microscopy. The molecular structure of ethylenediamine N,N'-bis(trifluoroacetate) was determined.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 7","pages":"1067 - 1076"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Peculiarities of the Formation of Defects Initiating Fatigue Faults in Granular Alloy EP741NP 颗粒状合金EP741NP中引发疲劳故障缺陷形成的特点
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524602351
I. S. Pavlov, M. A. Artamonov, V. V. Artemov, A. S. Kumskov, E. Yu. Marchukov, A. L. Vasiliev
{"title":"Peculiarities of the Formation of Defects Initiating Fatigue Faults in Granular Alloy EP741NP","authors":"I. S. Pavlov,&nbsp;M. A. Artamonov,&nbsp;V. V. Artemov,&nbsp;A. S. Kumskov,&nbsp;E. Yu. Marchukov,&nbsp;A. L. Vasiliev","doi":"10.1134/S1063774524602351","DOIUrl":"10.1134/S1063774524602351","url":null,"abstract":"<p>The EP741NP alloy samples destroyed during fatigue testing have been studied by transmission electron microscopy, energy-dispersive X-ray microanalysis, and electron diffraction. The composition and crystal structure of defects detected at the fatigue crack boundaries have been thoroughly examined. It has been shown that these defects have mainly the morphology of elongated flat “carpets” containing NiO, CTi<sub><i>x</i></sub>Nb<span>(_{{1 - x}})</span>, amorphous AlO<sub><i>x</i></sub>, HfO<sub>2</sub>, α-Al<sub>2</sub>O<sub>3</sub>, β-Al<sub>2</sub>O<sub>3</sub>, Al<sub>2</sub>MgO<sub>4</sub>, Co<sub>7</sub>Mo<sub>6</sub>, Co<sub>3</sub>O<sub>4</sub>, S<sub>4</sub>Ti<sub>3</sub>, NbO<sub>2</sub>, TiO<sub>2</sub>, and amorphous regions containing C, O, Ca, S, Na, and Cl. Assumptions concerning the source and time of formation of the investigated defects have been made.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"794 - 803"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Monitoring the Formation of Microcrystal Suspensions of Proteins Used in Serial Microcrystallography by Small-Angle X-ray Scattering 用小角度x射线散射监测序列微晶学中蛋白质微晶悬浮液的形成
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524602247
P. V. Konarev, G. S. Peters, V. R. Samygina
{"title":"Monitoring the Formation of Microcrystal Suspensions of Proteins Used in Serial Microcrystallography by Small-Angle X-ray Scattering","authors":"P. V. Konarev,&nbsp;G. S. Peters,&nbsp;V. R. Samygina","doi":"10.1134/S1063774524602247","DOIUrl":"10.1134/S1063774524602247","url":null,"abstract":"<p>Serial crystallography, which has been extensively developed in the past years, makes it possible to study dynamic processes occurring in protein molecules. The method is implemented at fourth-generation synchrotron sources or free electron lasers and it requires suspensions of microcrystals. It was demonstrated that small-angle X-ray scattering can be used to monitor the formation of such suspensions in crystallization conditions as exemplified by lysozyme.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"871 - 876"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the Parameters of the Zinc Oxide Band Structure under High-Energy Mechanical Grinding 高能机械磨削下氧化锌带结构参数的研究
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S106377452460162X
I. A. Filippov, A. A. Karmanov, N. D. Yakushova, E. I. Gurin, A. S. Komolov, I. A. Pronin
{"title":"Investigation of the Parameters of the Zinc Oxide Band Structure under High-Energy Mechanical Grinding","authors":"I. A. Filippov,&nbsp;A. A. Karmanov,&nbsp;N. D. Yakushova,&nbsp;E. I. Gurin,&nbsp;A. S. Komolov,&nbsp;I. A. Pronin","doi":"10.1134/S106377452460162X","DOIUrl":"10.1134/S106377452460162X","url":null,"abstract":"<p>A controlled modification of the parameters of the zinc oxide band structure has been demonstrated using the methods and approaches of nanostructure engineering by varying the duration of high-energy mechanical grinding. It has been shown that an increase in the dispersion time increases the monodispersity of ultrafine ZnO powder particles. A decrease in the zinc oxide band gap with increasing grinding duration is established based on spectrophotometric investigations. A nonmonotonic time dependence of the top of the valence band, as well as a high-energy shift of the valence and conduction bands for all dispersion durations, are demonstrated using experimental X-ray photoelectron spectroscopy data.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 7","pages":"1162 - 1168"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Crystals of 4,7-Bis(2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole and Its Derivative with Terminal n-Hexyl Substitutes: Growth, Structure, Thermal and Absorption/Fluorescent Properties 4,7-二（2,5-二甲基-[1,1'-联苯]-4-基）苯并噻唑及其末端n-己基取代衍生物的晶体：生长、结构、热及吸收/荧光性质
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524602028
V. A. Postnikov, N. I. Sorokina, G. A. Yurasik, T. A. Sorokin, A. A. Kulishov, M. S. Lyasnikova, V. V. Popova, E. A. Svidchenko, N. M. Surin, O. V. Borshchev
{"title":"Crystals of 4,7-Bis(2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole and Its Derivative with Terminal n-Hexyl Substitutes: Growth, Structure, Thermal and Absorption/Fluorescent Properties","authors":"V. A. Postnikov,&nbsp;N. I. Sorokina,&nbsp;G. A. Yurasik,&nbsp;T. A. Sorokin,&nbsp;A. A. Kulishov,&nbsp;M. S. Lyasnikova,&nbsp;V. V. Popova,&nbsp;E. A. Svidchenko,&nbsp;N. M. Surin,&nbsp;O. V. Borshchev","doi":"10.1134/S1063774524602028","DOIUrl":"10.1134/S1063774524602028","url":null,"abstract":"<p>The crystallization and absorption/fluorescent properties of linear conjugated molecules derived from 2,1,3-benzothiadiazole, specifically, 4,7-bis(2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole (Ph-Xy-BTD) and 4,7-bis(4'-hexyl-2,5-dimethyl-[1,1'-biphenyl]-4-yl)benzothiadiazole (Hex-Ph-Xy-BTD), have been studied. The synthesis of a new derivative of Hex-Ph-Xy-BTD is described. It was found that the presence of terminal <i>n</i>-hexyl substituents in Hex-Ph-Xy-BTD reduces the melting temperature, increases solubility, and has a positive effect on crystallization as compared to Ph-Xy-BTD. Hex-Ph-Xy-BTD single crystals were grown from a hexane solution, and their structure was elucidated using single-crystal X-ray diffraction, confirming a monoclinic system (sp. gr. <i>P</i>2<sub>1</sub>/<i>c</i>, Z = 4). Absorption and fluorescence spectra were obtained and analyzed for solutions in tetrahydrofuran, as well as for the Ph-Xy-BTD and Hex-Ph-Xy-BTD crystals, along with the study of the quantum yield and fluorescence lifetime.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"955 - 966"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comprehensive Studies of Sarmatian Pendant Mirrors 萨尔马提亚吊坠镜的综合研究
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524602454
A. V. Antipenko, T. N. Smekalova, A. V. Kulikov, S. K. Friedrichson, A. Y. Loboda, P. V. Gureva, E. S. Kovalenko, E. Yu. Tereschenko, E. B. Yatsishina
{"title":"Comprehensive Studies of Sarmatian Pendant Mirrors","authors":"A. V. Antipenko,&nbsp;T. N. Smekalova,&nbsp;A. V. Kulikov,&nbsp;S. K. Friedrichson,&nbsp;A. Y. Loboda,&nbsp;P. V. Gureva,&nbsp;E. S. Kovalenko,&nbsp;E. Yu. Tereschenko,&nbsp;E. B. Yatsishina","doi":"10.1134/S1063774524602454","DOIUrl":"10.1134/S1063774524602454","url":null,"abstract":"<p>The elemental composition and manufacturing technology of the so-called Sarmatian-type mirrors have been studied. The investigated mirrors are random finds, originating from the territory of the Kerch peninsula. All three objects are pendant mirrors with a radial-beam ornament that appeared at the turn of the 1st and 2nd centuries AD; they were in use until the beginning of the 3rd century AD. According to the results of X-ray fluorescence analysis, the mirrors were made of a material with identical qualitative characteristics: an alloy of copper, tin, and lead. X-ray tomography clarified the details of the relief ornament, which is weakly pronounced on the products due to corrosion processes.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"967 - 972"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Atomistic Simulation of Paratellurite α-TeO2 Crystal: I. Defects and Ionic Transport 副卫星α-TeO2晶体的原子模拟：I.缺陷与离子输运
IF 0.6 4区 材料科学
Crystallography Reports Pub Date : 2025-02-16 DOI: 10.1134/S1063774524601849
A. K. Ivanov-Schitz
{"title":"Atomistic Simulation of Paratellurite α-TeO2 Crystal: I. Defects and Ionic Transport","authors":"A. K. Ivanov-Schitz","doi":"10.1134/S1063774524601849","DOIUrl":"10.1134/S1063774524601849","url":null,"abstract":"<p>The structure and defects of α-TeO<sub>2</sub> paratellurite crystals have been studied using computer modeling. It has been shown that the preferred point defects in α-TeO<sub>2</sub> are oxygen vacancies and interstitial oxygen ions. Oxygen vacancies can either be isolated or form complex clusters. It is energetically most favorable for interstitial oxygen ions to be located in channels that penetrate the paratellurite structure along the <i>c</i> axis. The origin of possible oxygen-ion transport in α-TeO<sub>2</sub> is discussed.</p>","PeriodicalId":527,"journal":{"name":"Crystallography Reports","volume":"69 6","pages":"897 - 904"},"PeriodicalIF":0.6,"publicationDate":"2025-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143423282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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