Relevant bibliographies by topics / Cu₂Te

Academic literature on the topic 'Cu₂Te'

Author: Grafiati
Published: 8 June 2024

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Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Journal articles on the topic "Cu₂Te":

1

Hirakawa, Kazuhiko, Hiroshi Nakamura, and Masaharu Aoki. "Crystal Growth of CuGaS2from Te, Te-Cu and Te-Cu-S Solutions." Japanese Journal of Applied Physics 24, Part 1, No. 3 (March 20, 1985): 265–79. http://dx.doi.org/10.1143/jjap.24.265.

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2

Fenske, Dieter, and Jörg-Christian Steck. "Neue Cu-Te-Cluster." Angewandte Chemie 105, no. 2 (February 1993): 254–57. http://dx.doi.org/10.1002/ange.19931050213.

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3

Fenske, Dieter, and Jörg-Christian Steck. "New CuTe Clusters." Angewandte Chemie International Edition in English 32, no. 2 (February 1993): 238–42. http://dx.doi.org/10.1002/anie.199302381.

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4

Rátkai, L., A. P. Gonçalves, G. Delaizir, C. Godart, I. Kaban, B. Beuneu, and P. Jóvári. "The Cu and Te coordination environments in Cu-doped Ge–Te glasses." Solid State Communications 151, no. 21 (November 2011): 1524–27. http://dx.doi.org/10.1016/j.ssc.2011.07.037.

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5

Zhao, Degang, Lin Wang, Di Wu, and Lin Bo. "Thermoelectric Properties of Cu2SnSe3-Based Composites Containing Melt-Spun Cu–Te." Metals 9, no. 9 (September 3, 2019): 971. http://dx.doi.org/10.3390/met9090971.

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In this study, the Cu–Te alloy ribbons containing nanocrystalline structures were prepared by melt spinning (MS), and were composed of Cu2−xTe, Cu2Te, Cu3−xTe, and CuTe phases. Crystal grains on both sides of the ribbons were uniformly distributed and the grain size of the contact surface was about 400 nm. The Cu–Te powder was incorporated into the Cu2SnSe3 powder by the ball milling process and the Cu–Te/Cu2SnSe3 thermoelectric composite was prepared by spark plasma sintering (SPS). With the amount of Cu–Te powder increasing, the carrier concentration of the Cu–Te/Cu2SnSe3 composite increased, while the carrier mobility and electrical conductivity initially increased and then decreased. Compared to the Seebeck coefficient of the Cu2SnSe3 matrix, the Seebeck coefficient of the Cu–Te/Cu2SnSe3 samples increased slightly. Moreover, the Cu–Te/Cu2SnSe3 composites had lower thermal conductivity and lattice thermal conductivity over the whole temperature range. The lattice thermal conductivity of the 0.8 vol.% Cu–Te/Cu2SnSe3 composite achieved the lowest value of 0.22 W/m·K, which was 78% lower than that of the Cu2SnSe3 matrix. The maximum figure of merit of the 0.8 vol.% Cu–Te/Cu2SnSe3 composite was 0.45 at 700 K.
6

Yu, Lei, Kun Luo, Shiyou Chen, and Chun-Gang Duan. "Cu-deficiency induced structural transition of Cu2−xTe." CrystEngComm 17, no. 14 (2015): 2878–85. http://dx.doi.org/10.1039/c4ce02370f.

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All the reported structures of Cu2Te are found to be metastable with respect to the phase separation Cu2Te → Cu2−xTe + xCu, which causes a structural transition of Cu2−xTe from the monoclinic structure (stable when x = 0) to the trigonal structure (0.125 ≤ x ≤ 0.625). The experimental XRD peaks of Cu2−xTe samples should be attributed to the trigonal structure.
7

Gao, Jie, Xiaoyu Huang, Chong Qiao, and Yu Jia. "The changeable coordination of structural and bonding characteristics in amorphous Cu2Te from ab initio molecular dynamics simulations." Journal of Applied Physics 132, no. 24 (December 28, 2022): 244302. http://dx.doi.org/10.1063/5.0128259.

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Crystalline Cu2Te has recently attracted a great deal of attention owing to its good performance in thermoelectric materials. Yet, knowledge of the amorphous phase is still insufficient, which may restrict its practical application. Here, we have studied the structural and bonding characteristics of amorphous Cu2Te by ab initio molecular dynamics simulations. We show that, compared with its crystal phase, the Cu atoms bond more Cu than Te atoms in amorphous Cu2Te and Te atoms predominantly bond with Cu atoms. In detail, the amorphous Cu2Te is made up of Cu–Te network structures and Cu–Cu high-coordinated configurations, presenting the hexagonal and icosahedral structures, respectively. This result is probably ascribed to both the stronger bonding ability of Cu–Cu bonds and the multivalence of Te atoms. Our findings enrich the knowledge of the local structure and the bonding nature of amorphous Cu2Te, which can guide the design of good performance Cu2Te based thermoelectric devices further.
8

Yang, Lei, Zhi-Gang Chen, Guang Han, Min Hong, Liqing Huang, and Jin Zou. "Te-Doped Cu2Se nanoplates with a high average thermoelectric figure of merit." Journal of Materials Chemistry A 4, no. 23 (2016): 9213–19. http://dx.doi.org/10.1039/c6ta02998a.

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9

Liao, Chien-Neng, and Ching-Hua Lee. "Suppression of vigorous liquid Sn/Te reactions by Sn–Cu solder alloys." Journal of Materials Research 23, no. 12 (December 2008): 3303–8. http://dx.doi.org/10.1557/jmr.2008.0409.

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Reactions of molten Sn–xCu (x = 0.05 to 1.0) alloys with Te substrate at 250 °C were investigated. A dosage of 0.1 wt% Cu in Sn is found to be effective in suppressing the vigorous Sn/Te reaction by forming a thin CuTe at the solder/Te interface. The CuTe morphology changes from irregular clusters into a layered structure with increasing Cu content in Sn. With the same reaction time, the CuTe thickness increases proportionally to the square root of Cu content in Sn–Cu alloys, suggesting a diffusion-controlled growth for CuTe.
10

Li, Min, Yong Luo, Gemei Cai, Xie Li, Xiaoyan Li, Zhongkang Han, Xinyi Lin, Debalaya Sarker, and Jiaolin Cui. "Realizing high thermoelectric performance in Cu2Te alloyed Cu1.15In2.29Te4." Journal of Materials Chemistry A 7, no. 5 (2019): 2360–67. http://dx.doi.org/10.1039/c8ta10741f.

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Upon alloying with Cu2Te, the extra Te, which resides at the interstitial site of Cu1.15In2.29Te4 and creates resonant, impurity states and additional rattling modes, yields extensive lattice disorder, thus improving the thermoelectric performance significantly.
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Journal articles Books

Dissertations / Theses on the topic "Cu₂Te":

1

HALOUI, ABDELKRIM. "Contribution a l'etude du systeme ternaire cd-zn-te. Analyse thermodynamique des systemes zn-te, cd-te et cd-cu." Paris 11, 1996. http://www.theses.fr/1996PA112366.

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L'analyse thermodynamique des systemes binaires zn-te, cd-te et cd-cu a ete realisee par les methodes de calcul, base sur l'optimisation des coefficients d'enthalpies libres des phases de chaque systeme. L'etude experimentale a ete effectuee par les methodes d'analyse thermique differentielle, d'analyse calorimetrique differentielle, la radiocristallographie sur poudre et la metallographie. Nous avons mis en evidence la zone de demixtion dans la region riche en zinc du systeme binaire zn-te, la reaction monotectique est observee a 1207c. Les coefficients de l'enthalpie libre de chaque phase des systemes zn-te, cd-te et cd-cu ont ete obtenues, la coherence entre les resultats de calculs et nos donnees experimentales ainsi que ceux de la litterature sont illustres par les differentes courbes calculees. L'influence de la pression sur la forme des diagrammes de phases des systemes zn-te et cd-te a ete aussi examinee. Le systeme ternaire cd-te-zn a fait l'objet de peu de travaux experimentaux par contre, le calcul de ce systeme a attire de nombreux chercheurs. Les quelques informations experimentales dont nous disposons montrent que ce systeme presente une solution solide continue entre les composes cdte et znte. La zone de demixtion liquide-liquide dans la region riche en zinc a ete predit par les moyens de calcul et la lacune de miscibilite a l'etat solide par observation en microscopy electronique. L'etude experimentale de ce systeme a mis en evidence en plus de la presence de la solution solide continue, la lacune de miscibilite a l'etat solide. La zone de demixtion liquide-liquide qui part de la demixtion binaire du systeme zn-te et se renferme sur elle meme. Cette zone depasse legerement l'isoplethe a 10 atomes % de cadmium. Un eutectique ternaire a ete aussi observe a la temperature de 265c dans le quadrilatere cd-zn-znte-cdte. Cette etude ne revele l'existence d'aucun compose defini ternaire
2

Eddike, Driss. "Contribution à l'étude des systèmes Ag-Cu-Tl-Te et Cu-Bi-Se caractérisation thermoélectriques des matériaux /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37604801w.

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3

Al, Hokayem Karen. "Synthèse électrochimique de nanostructures à base de tellure pour la conversion thermoélectrique." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0315.

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Parmi les matériaux thermoélectriques, le tellure possède un coefficient Seebeck positif élevé (500 μV/K) à température ambiante mais avec une conductivité thermique relativement élevée (3 W/m.K). La nanostructuration est une solution pour améliorer les performances thermoélectriques, la conductivité thermique de réseau pouvant être réduite. Dans ce travail, nous avons synthétisé des nanostructures de Te auto-supportées par électrodéposition en profitant de l'effet matrice des liquides ioniques. Des nanostructures hexagonales monocristallines ont été systématiquement obtenues avec une orientation préférentielle le long de la direction [001]. En appliquant notamment une faible densité de charge, leurs tailles ont pu être ajustées à 52 ± 11 nm de diamètre et à moins de 300 nm de long. Les nanobâtonnets de tellure ont été alors utilisés comme précurseurs d'une étape de synthèse supplémentaire. En effet, par simple réaction d'oxydo-réduction dans une solution aqueuse d'Ag(I) ou de Cu(II), les nanostructures de Te ont été transformées respectivement en nanobâtonnets monocristallins Ag2+xTe et Cu1,75Te. Dans la dernière partie du travail, nous avons tenté d'incorporer ces nanostructures ainsi que des graphène quantum dots, à conductivité électrique élevée, dans des polymères conducteurs afin de réaliser des films hybrides flexibles. Ces derniers combinent les propriétés thermoélectriques intéressantes des nanostructures et la faible conductivité thermique de polymère conducteur comme le poly(3-hexylthiophène) (P3HT)
Among the thermoelectric materials, tellurium has a high positive Seebeck coefficient (500 μV/K) at room temperature but with a relative high thermal conductivity (3 W/m.K). Nanostructuring is a solution to improve thermoelectric performances, as the lattice part of the thermal conductivity can be independently lowered. In this work, we synthesized self-standing Te nanostructures by electrodeposition technique, taking advantage of the templating properties of ionic liquids solvents. Single crystalline hexagonal nanostructures were systematically obtained with a preferential orientation along the [001] direction. By varying the conditions of electrodeposition, the size of nanostructures can be tuned. Finally, nanorods of 52 ± 11 nm in diameter and less than 300 nm long were grown by applying a small charge density. Tellurium nanorods were used as precursors of an additional synthesis step. Indeed, by simple redox reaction in Ag(I) or Cu(II) aqueous solution, Te nanostructures have been transformed into single crystalline nanorods Ag2+xTe and Cu1.75Te respectively. In the last part of the work, we tried to incorporate these nanostructures as well as graphene quantum dots in conductive polymer in order to realize flexible hybrid films. The latter should combine the interesting thermoelectric properties of the nanostructures and the low thermal conductivity as poly(3-hexylthiophene) (P3HT)
4

Chen, Xuejun Luna. "Crystallographic, magnetic and optical properties of I2. Mn.IV.VI4. compounds with I = Cu, log., IV-Si, GE, Sn and VI =S, Se, Te." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/6626.

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A systematic study was performed on the structural, magnetic and optical properties of polycrystalline I$\sb2$.Mn.IV.VI$\sb4$ compounds with I = Ag or Cu, IV = Si, Ge, Sn, VI = S, Se and Te. In X-ray diffractometry, three different crystal structures were observed, two corresponding to the tetragonal stannite and orthorhombic wurtz-stannite structures reported previously, and thirdly a cubic rock salt-like structure. Magnetic susceptibility ($\chi$) measurements showed that most of the selenide phases were ferrimagnetic. Optical absorption measurements were made to determine values of optical energy gap E$\sb{\rm o}$ for a number of the single phase samples. When the values of these various parameters ($\rm a\sb{e}, T\sb{N}, \theta\sb{a}$ and E$\sb{\rm o}$) were compared for the various phases, it was found that the phases could be classified into five different sets. In each case investigated, the variation of E$\sb{\rm o}$ with temperature was found to agree well with the theoretical predictions of Alexander et al. (76A1). (Abstract shortened by UMI.)
5

Djiba, Aliou [Verfasser], and Ulrich [Akademischer Betreuer] Bismayer. "Porphyrische Cu-Mo-Au-Re und epithermale Au-Ag-Te Vererzungen der Insel Limnos, nordöstliche Ägäis, Griechenland : Mineralogie-Mineralchemie der hydrothermalen Alterationen und damit verbundene Vererzungen / Aliou Djiba ; Betreuer: Ulrich Bismayer." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2019. http://d-nb.info/1196296103/34.

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6

Wang, Wei, and 王. 暐. "Cu/Bi2Te3 and Ni/Bi2Te3 interfacial reactions and Bi-Cu-Te and Bi-Ni-Te phase diagrams." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/g99c6f.

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7

Yen, Wan-Ting, and 顏婉婷. "Phase diagram of Bi-Cu-Te and Thermoelectric properties of Cu doped Bi2Te3 alloys." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ekssxf.

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Abstract:
碩士
國立中山大學
材料與光電科學學系研究所
106
Thermoelectric material (TE) could convert waste heat directly into electricity, and therefore it could pave the way toward the environmental sustainability. The layered-structure Bi2Te3, which crystallize in a rhombohedral symmetry, show anisotropic transport properties, and are the most well-established room-temperature TE materials. Herein we aim to tune the thermal/electrical transport properties of the Bi2Te3-based alloys, by incorporating minor amount of Cu, to form a series of Cu-doped Bi2Te3 alloys. The homogeneity regime, phase stability and microstructural evolution are elaborated by establishing the 523K isothermal section and liquidus projection of ternary Bi-Te-Cu system, using the thermally-equilibrated or solidified alloys. In addition, the TE properties of selective Cu-doped Bi2Te3 alloys that grown by the Bridgman method suggest that the small deviations in the starting compositions could lead to the huge the difference in the resultant TE performance. At 300 K, the highest peak zT for p-type ((Bi2Te3)0.99(Cu2Te)0.01) and n-type (Bi2¬Cu0.01Te2.99) Cu-containing Bi2Te3 are zT~1.2 and zT~1.7, respectively.
8

Chen, Yi-Ming, and 陳怡名. "Effect of Ag,Cu Doping on Erasable Phase-Change Sb-Te Thin Films." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/40367923400714872310.

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碩士
國立臺灣大學
材料科學與工程學研究所
85
Evaporated binary chalcogenide Sb-Te thin films withAg(0 ∼11.4 at%), Cu(0∼10.8 at%) addition were investigated. The crystallization process of these (Sb-Te)-based amorphous films were investigated by isothermally treated at 100℃, 200℃and 300℃, respectively.The structure of these alloy films was confirmed by X-ray diffraction(XRD), Tx and Tm were mea- sured by differential scanning calorimetry(DSC), and the microstructures were observed by transmission electron microscopy(TEM). The reflectivities of these films were measured by spectrophotometer. We found that all of the as-deposited films had an amorphous structure with many naro-crystallines particles, and the crystallization temperature (Tc) of Ag8.3Sb34.9Te56.8 and Cu10.8Sb33.2Te56.0 were more than125℃,172℃, respectively. It indicates that doping Ag or Cu can improve the room temp- erature stability of Sb-Te alloy films. The contrast ratio of as-deposited Ag3.2Sb35.8Te61.0 and Cu4.1Sb37.4Te58.5 are more than 42% and 37% after isothermally treated at 300℃. It indicates that these compositions will be suitable for phase change optical recording materials.
9

SU, Chih-Chuan, and 蘇致銓. "Cu/Diamond-Like Carbon Hetero-Functionalized Bi-Sb-Te Based Thermoelectric Thin Films." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/s227p8.

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碩士
國立交通大學
材料科學與工程學系所
108
Hetero-nanostructuring has become one of the most promising strategies for enhancing the thermoelectric (TE) properties of materials. The introduction of the hetero-components could not only selectively improve specific intrinsically-poor TE properties of the host material, but create various functional interfaces which might potentially active hot carrier filtering effect for modifying the physical relations between these TE properties to achieve the goal of increasing overall thermoelectric figure of merit. Bismuth antimony tellurium (BST) is one of the most excellent p-type TE materials around room temperature and has been commercialized to date. A series of diamond-like carbon (DLC) co-deposited BST hetero-TE films with higher Seebeck coefficient and power factor, and lower thermal conductivity have been successfully fabricated, indicating the feasibility of the present design strategy using DLC as the hetero-component. In this thesis, based on the previous success, a series of novel binary BST:DLC and ternary BST:DLC:Cu hetero-TE films, and binary periodically-layered BST:DLC/BST ones were newly designed and deposited on insulated SiO2/Si substrates using dual-beam pulsed laser deposition (PLD). In the first part, the influences of the DLC amount on the structure and TE properties of the binary BST:DLC hetero-TE films were investigated. To further improving the electric properties of the prepared BST:DLC films, a series of ternary BST:DLC:Cu hetero-TE films with 0-4.59 at % Cu dopants were achieved via specially designed Cu-contained PLD targets. It was found that with the introduction of the Cu dopants, the highest optimized electric conductivity and the power factor are respectively 6 times (789.56 Scm-1) and 3 times (26.52 μWcm-1K-2) higher than BST:DLC hetero-TE films. The binary periodically-layered BST:DLC/BST hetero-TE films were specially designed not only for anisotropically modulating the out-plane and the in-plane thermal transporting but for fundamentally understanding their potential in enhancing the TE performances. The Raman spectra analyses evidence that with the presence of the periodical layer structures, a relatively low thermal transport ability in comparison with the BST:DLC hetero-TE films.
10

Dong, Zong-jin, and 董宗晉. "Phase diagrams of ternary Cu-Ga-Te system and thermoelectric properties of Chalcopyrite CuGaTe2 materials." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/z6ntb8.

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碩士
國立中山大學
材料與光電科學學系研究所
104
To cope with the globally increasing energy demands, researchers are eager to develop high-efficiency sustainable energy resources. Thermoelectric materials and devices, which can convert thermal energy into electricity directly, have attracted intensive interest in the application of waste heat recovery. Among all types of thermoelectric materials, the Chalcopyrite-structure CuGaTe2 has been viewed as a promising candidate for use of thermoelectric generator due to its high figure-of-merit (zT~1.4) at temperature higher than 900 K. Phase equilibrium is a fundamental knowledge and is useful for understanding of the phase transformation and microstructure evolution, which are believed to effectively alter the materials’ thermoelectric properties. Nevertheless, only limited information regarding the correlation between the phase stability and microstructure of ternary Cu-Ga-Te is available, leaving a large space open for furthering exploration. Herein the 650 ℃ isothermal section and the liquidus projection of ternary Cu-Ga-Te system are determined; various ternary Cu-Ga-Te alloys are either thermally-equilibrated at 650 ℃ for 30 days to clarify the homogeneity range of ternary CuGaTe2 phase, which is determined to be 48.0 at%-53.0at%Te and 25.0at%-30.0at%Cu.There are 16 primary solidification phase and one misbility-gap in ternary Cu-Ga-Te liquidus projection.The temperature of invariant reaction was measured by DTA-7.Alloy#C show the highest zT value in CuGaTe2 system at 750K.

Books on the topic "Cu₂Te":

1

Ṅrimʻʺ, Vaṅʻʺ. Rvhe ʼa mru te lakʻ rveʺ cañʻ vatthu rhaññʻ cu caññʻʺ mhu. Ranʻ kunʻ: Ne Myuiʺ Cā padesā Cā pe, 2010.

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Cohen, Lawrence J. Reţete de jocuri: De ce şi cum să te joci cu copilul tău. Bucureşti: Editura Trei, 2012.

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Ññui, Khyacʻ Ūʺ. Mruiʹ ma Ṅrimʻ ̋nhaṅʻʹ galuibhayʻluikʻje ̋rhaṅʻ ̋(te ̋sī khyaṅʻ ̋khaṃ cā ̋mhu cā cu myā)̋. Toṅʻ Ukkalāpa, Ranʻ kunʻ: Sanʻ ̋Cā pe, 2005.

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Wang, Jinqi. Zhongguo you qi di zhi te zheng: Xiao lu pin he, wai cu ya zhang. 8th ed. Beijing: Di zhi chu ban she, 2010.

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Chen, Bo. Zhongguo cheng xiang ju min she hui fen ceng, xiao fei te zheng yu cu dong nei xu. 8th ed. Shanghai Shi: Shanghai cai jing da xue chu ban she, 2015.

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Greenspan, Stanley I. Te shu er jiao yu bao dian: Cu jin zhi li he qing xu cheng zhang de quan xin liao fa. 8th ed. Taibei Shi: Jiu zhou chu ban wen hua shi ye you xian gong si, 2004.

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Both, Ioana, and Angela Tarantino, eds. Cronologia della letteratura rumena moderna (1780-1914) - Cronologia literaturii române moderne (1780-1914). Florence: Firenze University Press, 2019. http://dx.doi.org/10.36253/978-88-6453-969-0.

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Cronologia della letteratura rumena moderna (1780-1914), concepita quale supporto interdisciplinare destinato prioritariamente a studenti iscritti ai corsi universitari di Letteratura rumena, intende facilitare la ricerca di informazioni relative alla storia letteraria rumena del XIX secolo, muovendo dagli autori della prima modernità, dal tardo Illuminismo alla Prima guerra mondiale. // Cronologia literaturii române moderne (1780-1914), concepută ca suport interdisciplinar destinat cu precădere studenților care studiază Literatura română, își dorește să faciliteze căutarea infommațiilor relative la istoria literaturii române din secolul al 19-lea, plecând de la autorii a căror activitate a marcat prima modernitate românească, de la Iluminismul târziu până la Primul război mondial.
8

Blo-bzaṅ-tshul-khrims-rgya-mtsho, Gser-tog. Bod kyi brdaʼ sprod pa sum cu pa daṅ rtags kyi ʼjug paʼi mchan ʼgrel mdor bsdus te brjod pa ṅo mtshar ʼphrul gyi lde mig: Zur du ʼdi skor gyi khag gsal reʼu mig. 2nd ed. Mtsho-sṅon: Mi rigs dpe skrun khaṅ, 1995.

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Marchandise, H. The certification of the impurity contents (Ag, As, Bi, Cd, Cu, Ni, Sb, Se, Sn, Te, Tl and Zn) in three grades of lead: Electrolytically refined lead BCR No 286, thermally refined lead BCR No 287, lead with added impurities BCR No 288. Luxembourg: Commission of the European Communities, 1985.

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Rolle, Richard, of Hampole, 1290?-1349., ed. Speculum spiritualiu[m]: In quo no[n] solum de vita actiua et co[n]templatiua, verumetia[m] de vicus quibus humana mens inquinatur ac virtutibus quibus in deu[m] acce[n]ditur, p[er]pulchre tractatur cu[m] varijs exemplis ad vtra[m]q[ue] vitam conducentibus, oibus pie viuere cupientibus vtile, religiosis tamen su[m]me necessariu[m] tu[m] quia oĩa ad eor[um] officia pertine[n]tia pa te[n]ter declarat. tu[m] etiam quia q[uae] fugie[n]da ac p[er]seque[n]da su[n]t potissimu[m] demonstrat : additur insuper et opusculum Ricardi Hampole de eme[n]datione vite, ac de regula bene viuendi. [Paris]: Opera predicta in alma Parisio[rum] academia p[er] Wolffgangu[m] Hopyliu[m] sunt impressa, sumptibus et expensis honesti viri Guilhelmi Bretton[i?] ciuis London[ensis], 1985.

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Book chapters on the topic "Cu₂Te":

1

Predel, B. "Cu - Te (Copper - Tellurium)." In B - Ba … Cu - Zr, 267. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-44756-6_193.

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Voudouris, Panagiotis. "Mineralogy of the high-sulfidation Cu-Sb-Te Mavrokoryfi prospect (western Thrace, Greece)." In Mineral Deposit Research: Meeting the Global Challenge, 1435–38. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_365.

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Predel, B. "Cd - Te (Cadmium - Tellurium)." In B - Ba … Cu - Zr, 184–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-44756-6_130.

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Predel, B. "Bi - Te (Bismuth - Tellurium)." In B - Ba … Cu - Zr, 116. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-44756-6_72.

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Kambe, Shiro, and Maki Kawai. "The Effect of the Addition of S, Se and Te in Ba-Y-Cu-O on Its Superconductive Properties." In Advances in Superconductivity, 219–21. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68084-0_35.

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Guidoni, A. Giardini, A. Mele, S. Piccirillo, G. Pizzella, and R. Teghil. "Pulsed Laser Ablation and Cluster Ion Formation from Group VI Elements S, Se, Te, and Mixtures with Ni and Cu." In Physics and Chemistry of Finite Systems: From Clusters to Crystals, 1109–14. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2645-0_150.

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McFall, Katie, Iain McDonald, and Jamie J. Wilkinson. "Assessing the Role of Tectono-Magmatic Setting in the Precious Metal (Au, Ag, PGE) and Critical Metal (Te, Se, Bi) Endowment of Porphyry Cu Deposits." In Tectonomagmatic Influences on Metallogeny and Hydrothermal Ore Deposits: A Tribute to Jeremy P. Richards (Volume II), 277–95. Society of Economic Geologists, 2021. http://dx.doi.org/10.5382/sp.24.15.

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Abstract Porphyry Cu deposits commonly contain critical and precious metal by-products, including the chalcophile and siderophile elements, Au, Pd, Pt, Ag, Te, Se, and Bi. These elements partition into residual sulfides during the partial melting of mantle wedge peridotite during subduction, potentially depleting the source magma for subduction-related porphyry Cu deposits. The chalcophile-rich residual sulfides in subduction-modified subcontinental lithosphere are thought to be the source of metals in postsubduction porphyry Cu deposits, and as such these deposits may be more enriched in chalcophile and siderophile elements than subduction-related porphyry deposits, although many postsubduction deposits have low Au grades. We test this by presenting whole-rock assay and PGE data with in situ LA-ICP-MS trace element data from sulfide minerals from three porphyry Cu deposits. The Skouries Cu-Au-(PGE) porphyry deposit, Greece, and the Muratdere Cu-Au-Mo porphyry deposit, Turkey are both postsubduction; these are contrasted with the El Teniente Cu-Mo porphyry deposit, Chile, which is a classic subduction-related system. By comparing these results with a newly compiled global dataset of trace element concentrations in sulfides from 18 other porphyry Cu deposits we show that postsubduction porphyry Cu deposit sulfides are relatively enriched in Bi, Sb, Te, and Se compared to sulfide minerals from subduction-related deposits. However, although some critical and precious metals (Ag, Bi, and Se) mainly reside in primary sulfide ore minerals, others (Au, Te, Pd, and Pt) are predominantly hosted in minor accessory minerals. Whole-rock data from mineralized samples show that although the Skouries and Muratdere deposits are enriched in Au compared with El Teniente, globally both subduction-related and postsubduction deposits can be precious and critical metal enriched, with metal endowment independent of tectonic setting. PGE-enriched porphyry Cu deposits are also enriched in Bi, Te, and Au, and semimetal melts are suggested to play an important role in PGE transport and concentration in porphyry Cu deposits.
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"Cu-Sn-Te (Copper-Tin-Tellurium)." In Non-Ferrous Metal Systems. Part 1, 1–13. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/10915981_27.

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Wilson, Alan J., Nick Lisowiec, Cameron Switzer, Anthony C. Harris, Robert A. Creaser, and C. Mark Fanning. "Chapter 11: The Telfer Gold-Copper Deposit, Paterson Province, Western Australia." In Geology of the World’s Major Gold Deposits and Provinces, 227–49. Society of Economic Geologists, 2020. http://dx.doi.org/10.5382/sp.23.11.

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Abstract The giant (>20 Moz) Telfer Au-Cu deposit is located in the Paterson Province of Western Australia and is hosted by complexly deformed marine Neoproterozoic metasedimentary siltstones and quartz arenites. The Telfer district also contains magnetite- and ilmenite-series granitoids dated between ca. 645 and 600 Ma and a world-class W skarn deposit associated with the reduced, ~604 Ma O’Callaghans granite. Based on monazite and xenotime U-Pb geochronology, Telfer is estimated to be older than O’Callaghans, forming between 645 and 620 Ma. Au-Cu mineralization at Telfer is hosted in multistage, bedding-parallel quartz-dolomite-pyrite-chalcopyrite reefs and related discordant veins and stockworks of similar composition that were emplaced into two NW-striking doubly plunging anticlines or domes. Mineralization is late orogenic in timing, with hot (≤460°C), saline (<50 wt % NaCl equiv) ore fluids channeled into preexisting domes along a series of shallow, ENE-verging thrust faults and associated fault-propagated fold corridors. A combination of fault-propagated fold corridors acting as fluid conduits below the apex of the Telfer domes and the rheology and chemical contrast between interbedded siltstone and quartz arenite units within the dome are considered key parameters in the formation of the Telfer deposit. Based on the presence of the reduced Au-Cu-W-Bi-Te-Sn-Co-As assemblage, saline and carbonic, high-temperature hydrothermal fluids in Telfer ore, and widespread ilmenite-series granites locally associated with W skarn mineralization, Telfer is considered to be a distal, intrusion-related gold deposit, the high copper content of which may be explained by the predominance of highly saline, magmatic fluids in gangue assemblages cogenetic with ore.
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Yakshibaev, R. A., N. N. Mukhamadeeva, and R. F. Almukhametov. "Phase Transformations and Ionic Transport in the Cu2 — 3Te Superionic Conductor." In July 1988, 135–42. De Gruyter, 1988. http://dx.doi.org/10.1515/9783112501306-012.

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Conference papers on the topic "Cu₂Te":

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Schulz, Douglas L., Rosine Ribelin, Calvin J. Curtis, and David S. Ginley. "Particulate contacts to Si and CdTe: Al, Ag, Hg-Cu-Te, and Sb-Te." In National center for photovoltaics (NCPV) 15th program review meeting. AIP, 1999. http://dx.doi.org/10.1063/1.57967.

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Hanus, Francoise, and Lucien D. Laude. "Laser Induced Synthesis Of Crystallised Cu-Te Semiconducting Compounds." In 1988 International Congress on Optical Science and Engineering, edited by Lucien D. Laude and Gerhard K. Rauscher. SPIE, 1989. http://dx.doi.org/10.1117/12.950115.

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Qiu, C., S. Wei, Z. Yang, J. Zhang, B. Ding, and X. Wang. "Metallurgical analysis of electrical breakdown for Cu-Te system contact materials in vacuum." In Electrical Contacts - 1992 Proceedings of the Thirty-Eighth IEEE Holm Conference on Electrical Contacts. IEEE, 1992. http://dx.doi.org/10.1109/holm.1992.246937.

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Mise, Takahiro, and Tokio Nakada. "Optical and electrical properties of Cu-In-Te based thin films and solar cells." In 2010 35th IEEE Photovoltaic Specialists Conference (PVSC). IEEE, 2010. http://dx.doi.org/10.1109/pvsc.2010.5614099.

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Gasimova, N. A., I. R. Amiraslanov, Y. I. Aliyev, G. G. Guseinov, Muhammed Hasan Aslan, Ahmet Yayuz Oral, Mehmet Özer, and Süleyman Hikmet Çaglar. "Structure and Phase Transitions of Cu[sub 4]Se[sub 1.5]Te[sub 0.5]." In INTERNATIONAL CONGRESS ON ADVANCES IN APPLIED PHYSICS AND MATERIALS SCIENCE. AIP, 2011. http://dx.doi.org/10.1063/1.3663166.

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Jinglin Xie and Baihe Miao. "Detection of micro-Te segregation at the interface of Cu/Cr phases in Cu-30Cr-0.01Te alloy contact material by XPS." In 2011 1st International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST). IEEE, 2011. http://dx.doi.org/10.1109/icepe-st.2011.6122972.

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Miao, Baihe, Jinglin Xie, Jianping He, Guoxun Liu, Wenbin Wang, and Xiaojun Wang. "Effects of trace Te on the anti-welding property of Cu-30CrTe alloy contact material." In 2012 XXVth International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV 2012). IEEE, 2012. http://dx.doi.org/10.1109/deiv.2012.6412484.

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Lopez-Lopez, S., S. Jiminez-Sandoval, B. S. Chao, and M. Melendez-Lira. "RF sputtered Cu/sub x/Cd/sub 1-x/Te thin films: a novel semiconductor alloy." In Compound Semiconductors 1997. Proceedings of the IEEE Twenty-Fourth International Symposium on Compound Semiconductors. IEEE, 1997. http://dx.doi.org/10.1109/iscs.1998.711549.

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Lee, ChaBum, T. Kuriyagawa, TaeJun Kim, and SunKyu Lee. "Fabrication of Phase Reflection Sawtooth Gratings Optimized by Scalar and Vector Way by Using Diamond Cutting." In 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2008. http://dx.doi.org/10.1115/micronano2008-70266.

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This paper presents optimization of phase reflection sawtooth gratings with a period of 2.0 μm and a depth of 0.2 μm based on the Fourier transformation (FT) and the rigorous coupled wave analysis (RCWA). And its fabrication on oxygen free Cu and electroless Ni-coated surfaces by using diamond cutting in a shaping process whose toolpath is interfered to provide smaller period. The diffraction efficiencies were estimated 100% for FT, 83.0% and 79.0% for TE and TM polarization of the incident light at a depth of 0.2 μm. It was found that electroless Ni-coated surface had better performance in terms of machining and optical functionality. From optical testing, the diffraction efficiencies were measured 84.0% and 84.4% for TE and TM polarization, respectively.
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Shen, Li, Fu Guo, Nan Zheng, and Ran Zhao. "The effects of isothermal aging on sandwich structural of p- and n-TE/Ni/SBA/Cu joints." In 2012 13th International Conference on Electronic Packaging Technology & High Density Packaging (ICEPT-HDP). IEEE, 2012. http://dx.doi.org/10.1109/icept-hdp.2012.6474908.

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Reports on the topic "Cu₂Te":

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Neyedley, K., J. J. Hanley, P. Mercier-Langevin, and M. Fayek. Ore mineralogy, pyrite chemistry, and S isotope systematics of magmatic-hydrothermal Au mineralization associated with the Mooshla Intrusive Complex (MIC), Doyon-Bousquet-LaRonde mining camp, Abitibi greenstone belt, Québec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328985.

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The Mooshla Intrusive Complex (MIC) is an Archean polyphase magmatic body located in the Doyon-Bousquet-LaRonde (DBL) mining camp of the Abitibi greenstone belt, Québec. The MIC is spatially associated with numerous gold (Au)-rich VMS, epizonal 'intrusion-related' Au-Cu vein systems, and shear zone-hosted (orogenic?) Au deposits. To elucidate genetic links between deposits and the MIC, mineralized samples from two of the epizonal 'intrusion-related' Au-Cu vein systems (Doyon and Grand Duc Au-Cu) have been characterized using a variety of analytical techniques. Preliminary results indicate gold (as electrum) from both deposits occurs relatively late in the systems as it is primarily observed along fractures in pyrite and gangue minerals. At Grand Duc gold appears to have formed syn- to post-crystallization relative to base metal sulphides (e.g. chalcopyrite, sphalerite, pyrrhotite), whereas base metal sulphides at Doyon are relatively rare. The accessory ore mineral assemblage at Doyon is relatively simple compared to Grand Duc, consisting of petzite (Ag3AuTe2), calaverite (AuTe2), and hessite (Ag2Te), while accessory ore minerals at Grand Duc are comprised of tellurobismuthite (Bi2Te3), volynskite (AgBiTe2), native Te, tsumoite (BiTe) or tetradymite (Bi2Te2S), altaite (PbTe), petzite, calaverite, and hessite. Pyrite trace element distribution maps from representative pyrite grains from Doyon and Grand Duc were collected and confirm petrographic observations that Au occurs relatively late. Pyrite from Doyon appears to have been initially trace-element poor, then became enriched in As, followed by the ore metal stage consisting of Au-Ag-Te-Bi-Pb-Cu enrichment and lastly a Co-Ni-Se(?) stage enrichment. Grand Duc pyrite is more complex with initial enrichments in Co-Se-As (Stage 1) followed by an increase in As-Co(?) concentrations (Stage 2). The ore metal stage (Stage 3) is indicated by another increase in As coupled with Au-Ag-Bi-Te-Sb-Pb-Ni-Cu-Zn-Sn-Cd-In enrichment. The final stage of pyrite growth (Stage 4) is represented by the same element assemblage as Stage 3 but at lower concentrations. Preliminary sulphur isotope data from Grand Duc indicates pyrite, pyrrhotite, and chalcopyrite all have similar delta-34S values (~1.5 � 1 permille) with no core-to-rim variations. Pyrite from Doyon has slightly higher delta-34S values (~2.5 � 1 permille) compared to Grand Duc but similarly does not show much core-to-rim variation. At Grand Duc, the occurrence of Au concentrating along the rim of pyrite grains and associated with an enrichment in As and other metals (Sb-Ag-Bi-Te) shares similarities with porphyry and epithermal deposits, and the overall metal association of Au with Te and Bi is a hallmark of other intrusion-related gold systems. The occurrence of the ore metal-rich rims on pyrite from Grand Duc could be related to fluid boiling which results in the destabilization of gold-bearing aqueous complexes. Pyrite from Doyon does not show this inferred boiling texture but shares characteristics of dissolution-reprecipitation processes, where metals in the pyrite lattice are dissolved and then reconcentrated into discrete mineral phases that commonly precipitate in voids and fractures created during pyrite dissolution.
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Leybourne, M. I., J. M. Peter, M A Schmidt, D. Layton-Matthews, A. Voinot, and L. Mathieu. Geochemical evidence for a magmatic contribution to the metal budget of the Windy Craggy Cu-Co(±Zn) volcanogenic massive-sulfide deposit, northwestern British Columbia. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328018.

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Volcanogenic massive-sulfide (VMS) deposits may have had metal contributions from magmatic degassing and leaching of footwall rocks. The Windy Craggy Cu-Co-Zn VMS deposit in northwestern British Columbia may include magmatic contributions, based on laser-ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) of fluid inclusions (enriched in Sb, Sn, and Bi) and lithogeochemistry. Sulfide-mineral trace-element abundances in the massive-sulfide orebody, underlying stockwork zone, gold zone, and altered and unaltered mafic rock and argillite were analyzed by LA-ICP-MS. Elevated Au, W, As, Bi, Sb, Se, Te, Tl, Ag, Co, and Mo contents occur within the gold and/or stockwork zones. Increasing 'magmatic metals' with increasing Co/Ni values suggest direct magmatic contribution to the deposit. Covariation of Co with these so-called 'magmatic elements' indicates that it, too, may be of magmatic origin, sourced via fluids exsolved from a crystallizing magma; however, evidence from the composition of rocks and sulfide minerals from Windy Craggy and other VMS deposits suggests that there is probably no meaningful distinction between hydrothermal leaching and direct magmatic contributions and that most - if not all - fluids that form VMS deposits should be termed 'magmatic-hydrothermal'.

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