Results 61 to 70 of about 155,781 (300)

Lead-tellurium oxysalts from Otto Mountain near Baker, California: VI. Telluroperite, Pb_3Te^(4+)O_4Cl_2, the Te analog of perite and nadorite [PDF]

, 2010
Telluroperite, Pb_3Te^(4+)O_4Cl_2, is a new tellurite from Otto Mountain near Baker, California. The new mineral occurs on fracture surfaces and in small vugs in brecciated quartz veins in direct association with acanthite, bromine-rich chlorargyrite ...
Housley, Robert M., Kampf, Anthony R., Marty, Joseph, Mills, Stuart J., Thorne, Brent   +4 more
core  

Reversible melting and equilibrium phase formation of (Bi,Pb)2Sr2Ca2Cu3O10+d

, 2002
The decomposition and the reformation of the (Bi,Pb)2Sr2Ca2Cu3O10+d (?Bi,Pb(2223)?) phase have been investigated in-situ by means of High-Temperature Neutron Diffraction, both in sintered bulk samples and in Ag-sheathed monofilamentary tapes.
E Giannini, Fischer P, Fischer P, Frello T, Giannini E, Gottschalck-Andersen L, Gottschalck-Andersen L, Grasso G, Grivel J-C, Hulbert S F, I Savysyuk, Liang B, Lomello-Tafin M, Luo J S, McCarron E M III, Morgan P E, Murayama N, Noudem J G, P Toulemonde, R Fl kiger, R Passerini, Rao C N R, Reardon B J, Roth R S, Sakthivel A, Sebaoun A, V Garnier, Wang W G, Wong-Ng W   +28 more
core   +1 more source

Unraveling the Mg Loss Mechanism and Degradation Kinetics in Thermoelectric n‐Type Mg2Si‐Mg2Sn Solid Solutions

Advanced Functional Materials, EarlyView.
Mg‐based thermoelectrics are among the most promising candidates for power generation applications but their performance is compromised by Mg loss at device operation temperatures due to the higher chemical potential of Mg (μMg${\mu}_{\mathrm{Mg}}$) inside the material compared to the environment.
Aryan Sankhla, Eckhard Mueller, Johannes de Boor   +2 more
wiley   +1 more source

Analysis of Hydration Strength and CO₂ Emissions of Cement–Quartz Powder Binary Blends Considering the Effects of Water/Binder Ratios and Quartz Contents

Applied Sciences
Low-carbon design has become increasingly important in the cement and concrete industry. Previous studies have primarily focused on the impact of different types of admixtures on the carbon emissions of concrete while overlooking the influence of the ...
Bo Yang, Xiao-Yong Wang
doaj   +1 more source

Mechanical activation in the production of lime-sand mixtures

Magazine of Civil Engineering, 2020
This paper presents a review of the author’s research of the effect of different grinding units’ on the physical and chemical profile and geometry of quartz powders.
Ruslan Ibragimov, Evgeniy Korolev, Timur Deberdeev   +2 more
doaj   +1 more source

Roll‐to‐Roll Mechanical Exfoliation for Large‐Area van der Waals Films with Preserved Crystallographic Alignment

Advanced Functional Materials, EarlyView.
A roll‐to‐roll exfoliation method is demonstrated that preserves the crystallographic alignment of anisotropic 2D materials over large areas, enabling scalable fabrication of directional electronic and optoelectronic devices. Abstract Anisotropic 2D materials such as black phosphorus (BP), GeS or CrSBr, exhibit direction‐dependent optical and ...
Esteban Zamora‐Amo, Francisco Fernandez‐Canizares, Yigit Sozen, Thomas Pucher, Pedro L Alcázar Ruano, Carmen Munuera, Ryo Ishikawa, Naoya Shibata, María Varela, Der‐Yuh Lin, Bing Wu, Jorge Quereda, Zdenek Sofer, Gabriel Sánchez‐Santolino, Andres Castellanos‐Gomez   +14 more
wiley   +1 more source

Exploring the synergistic effects of quartz powder and GGBS in sustainable standard strength concrete: insights from carbonation and electrochemical impedance spectroscopy (EIS)

Discover Materials
This study investigates the use of ground granulated blast-furnace slag (GGBS) and quartz powder as partial cement substitutes to lessen the carbon footprint associated with concrete production.
B. Narendra Kumar, B. Sai Sunil, Kiran Bhat P   +2 more
doaj   +1 more source

Evaluation of the Pozzolanic Activity of Metakaolin, Glass Powder and Silica Powder for Use in Cementitious Mortars

Studia Universitatis Babes-Bolyai Chemia
The objective of this study is to evaluate the pozzolanic activity of metakaolin, glass powder and silica powder for use in cementitious mortars. Thus, metakaolin was produced by calcination at 700 °C of a clay soil from Burkina composed of kaolinite ...
Issiaka SANOU, Saada ZOUNGRANA, Moussa OUEDRAOGO, Ali SANOU, Younoussa MILLOGO   +4 more
doaj   +1 more source

Single‐Crystalline Lateral p‐SnS/n‐SnSe van der Waals Heterostructures by Vapor Transport Growth with In Situ Bi Doping

Advanced Functional Materials, EarlyView.
In‐situ doping during growth of SnSe and subsequent attachment of SnS produces high‐quality lateral pn‐heterojunctions between van der Waals semiconductors. Electron beam induced current measurements demonstrate electrically active pn‐junctions, paving the way for devices that harness charge separation at lateral interfaces in layered heterostructures.
Peter Sutter, Valerio Piazza, Pramod Ghimire, Anna Fontcuberta i Morral, Eli Sutter   +4 more
wiley   +1 more source

Achieving Mixtures of Ultra-High Performance Concrete [PDF]

Constructii: Journal of Civil Engineering Research, 2013
Ultra-High Performance Concrete (UHPC) is a relatively new concrete. According to [11] UHPC is that concrete which features compressive strength over C100/115 class.
Mircea POPA, Ofelia CORBU, Zoltan KISS, Raul ZAGON   +3 more
doaj