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铪粒

产品编号 H106102 | CAS号 7440-58-6 | Aladdin
Hafnium
99.9% metals basis,1-10mm
组合的产品项目
货号 规格 库存 价格 数量
H106102-100g 99.9% metals basis,1-10mm 上海(预计3-7周)
北方(预计3-7周)
 
H106102-25g 99.9% metals basis,1-10mm 上海(4)
北方(预计3-5个工作日)
 
H106102-5g 99.9% metals basis,1-10mm 上海(>10)
北方(预计3-5个工作日)
 
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属性

密度 13.3000
熔点 2227°C
沸点 4602°C

描述

产品介绍 溶于氢氟酸、王水及浓硫酸。
别名 铪粉/铪丝;
应用 主要用于制作原子反应堆的控制棒,也用作消气剂及硬质合金的添加剂。
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标识符号 GHS02 GHS02
信号词 Danger
警示性声明 P210
危害声明 H228
个人防护设备 Eyeshields,Gloves,type N95 (US),type P1 (EN143) respirator filter
WGK德国 NWG
是否危化品 一般危险品
UN代码 1326
参考文献
Johann Riemensberger, Klaus Hartinger, Tobias Herr, Victor Brasch, Ronald Holzwarth, Tobias J Kippenberg
We demonstrate dispersion engineering of integrated silicon nitride based ring resonators through conformal coating with hafnium dioxide deposited on top of the structures via atomic layer deposition....Read More
Jesper C Holst, Mia B Olsen, Chad Paton, Kazuhide Nagashima, Martin Schiller, Daniel Wielandt, Kirsten K Larsen, James N Connelly, Jes K J?rgensen, Alexander N Krot, Ake Nordlund, Martin Bizzarro
Refractory inclusions [calcium-aluminum-rich inclusions, (CAIs)] represent the oldest Solar System solids and provide information regarding the formation of the Sun and its protoplanetary disk. CAIs c...Read More
R Rawat, P Chaddah, Pallab Bag, P D Babu, V Siruguri
Magnetic behavior of the pseudo-binary alloy Hf(1-x)Ta(x)Fe(2) has been studied, for which the zero-field ferromagnetic (FM) to antiferromagnetic (AFM) transition temperature is tuned near to T?=?0?K...Read More
Michael J Sgro, Douglas W Stephan
Hf-phosphinoamide cation complexes behave as metal-based frustrated Lewis pairs and bind one or two equivalent of CO and in as well can activate CO in a bimetallic fashion to give a pseudo-tetrahedral...Read More
Xuelu Ma, Xin Zhang, Wenchao Zhang, Ming Lei
In this paper, the reaction mechanisms of CO assisted N(2) cleavage and functionalization activated by a dinuclear hafnium complex are studied using a density function theory (DFT) method. Several key...Read More
Daqin Chen, Lei Lei, Rui Zhang, Anping Yang, Ju Xu, Yuansheng Wang
Novel Yb/Er(Tm):Na(3)MF(7) (M = Zr, Hf) nanocrystals with intrinsic single-band upconversion emission, in contrast to the routine lanthanide-doped fluoride nanocrystals which show typical multi-band u...Read More
Nicholas M NM Fahrenkopf, P Zachary PZ Rice, Magnus M Bergkvist, N Aaron NA Deskins, Nathaniel C NC Cady
Immobilization of biomolecular probes to the sensing substrate is a critical step for biosensor fabrication. In this work we investigated the phosphate-dependent, oriented immobilization of DNA to haf...Read More
Gerald G Lucovsky, Leonardo L Miotti, Karen Paz KP Bastos
Performance and reliability in semiconductor devices are limited by electronically active defects, primarily O-atom and N-atom vacancies. Synchrotron X-ray spectroscopy results, interpreted in the con...Read More
Yu Gong, Lester Andrews, Charles W Bauschlicher, K Sahan Thanthiriwatte, David A Dixon
The isolated group 4 metal oxydifluoride molecules OMF(2) (M = Ti, Zr, Hf) with terminal oxo groups are produced specifically on the spontaneous reactions of metal atoms with OF(2) through annealing i...Read More
Hyun-June HJ Jung, Soon-Gil SG Yoon, Soon-Ku SK Hong, Jeong-Yong JY Lee
Bismuth nanocrystals for a nanoscale floating gate memory device are self-assembled in Bi(2) Mg(2/3) Nb(4/3) O(7) (BMN) dielectric films grown at room temperature by radio-frequency sputtering. The T...Read More
V V Braic, M M Balaceanu, M M Braic, A A Vladescu, S S Panseri, A A Russo
Multi-principal-element (TiZrNbHfTa)N and (TiZrNbHfTa)C coatings were deposited on Ti6Al4V alloy by co-sputtering of Ti, Zr, Nb, Hf and Ta metallic targets in reactive atmosphere. The coatings were an...Read More
José Luis Olivares-Romero, Zhi Li, Hisashi Yamamoto
Asymmetric epoxidation of allylic and homoallylic amine derivatives catalyzed by Hf(IV)-bishydroxamic acid complexes is described. Under similar conditions, aldimine and ketimine produced oxaziridines...Read More
Germain G Bayon, Bernard B Dennielou, Jo?l J Etoubleau, Emmanuel E Ponzevera, Samuel S Toucanne, Sylvain S Bermell
About 3000 years ago, a major vegetation change occurred in Central Africa, when rainforest trees were abruptly replaced by savannas. Up to this point, the consensus of the scientific community has be...Read More
Byung-Hak BH Moon, Yong-Hoon YH Jeong, Han-Cheol HC Choe
In this study, we investigated the electrochemical oxide nanotube formation on the Ti-35Ta-xHf alloys for dental materials. The Ti-35Ta-xHf alloys contained from 3 wt.% to 15 wt.% Hf were manufactured...Read More
John J JJ Curley, Robert G RG Bergman, T Don TD Tilley
Treatment of Cp*Ir N(t)Bu (1) with the appropriate metallocene equivalent is an effective route for the preparation of the heterobimetallic complexes Cp*Ir(μ-N(t)Bu)MCp(2) (2-M, M = Ti, Zr, Hf). The ...Read More
Christopher C Underwood, Colin D McMillen, Hongyu Chen, Jeffery N Anker, Joseph W Kolis
This paper describes the hydrothermal chemistry of alkali hafnium fluorides, including the synthesis and structural characterization of five new alkali hafnium fluorides. Two ternary alkali hafnium fl...Read More
Suresh Kumar Raman Pillai, Mary B Chan-Park
The large-scale application of semiconducting single-walled carbon nanotubes (s-SWCNTs) for printed electronics requires scalable, repeateable, as well as noncontaminating assembly techniques. Previou...Read More
Célia Louren?o, Maria del Carmen Michelini, Joaquim Mar?alo, John K Gibson, Maria Concei??o Oliveira
Fourier transform ion cyclotron resonance mass spectrometry was used to characterize the gas-phase reactivity of Hf dipositive ions, Hf(2+)and HfO(2+), toward several oxidants: thermodynamically facil...Read More
Laurence Maggiorella, Gilles Barouch, Corinne Devaux, Agnès Pottier, Eric Deutsch, Jean Bourhis, Elsa Borghi, Laurent Levy
There is considerable interest in approaches that could improve the therapeutic window of radiotherapy. In this study, hafnium oxide nanoparticles were designed that concentrate in tumor cells to achi...Read More
Brian R Dorvel, Bobby Reddy, Jonghyun Go, Carlos Duarte Guevara, Eric Salm, Muhammad Ashraful Alam, Rashid Bashir
Nanobiosensors based on silicon nanowire field effect transistors offer advantages of low cost, label-free detection, and potential for massive parallelization. As a result, these sensors have often b...Read More
Andreas A Sauer, Jean-Charles JC Buffet, Thomas P TP Spaniol, Haruki H Nagae, Kazushi K Mashima, Jun J Okuda
A series of group 4 metal complexes Zr-(1)(2), Zr-(2)(2), Zr-(3)(2), Zr-(4)(2), Zr-(5)(2), Hf-(1)(2), and Hf-(4)(2) containing two bridged bis(phenolate) ligands of the (OSSO)-type were prepared by th...Read More
Zhichao Z Liu, Songlin S Chen, Ping P Ma, Yaowei Y Wei, Yi Y Zheng, Feng F Pan, Hao H Liu, Gengyu G Tang
Damage tests are carried out at 1064nm to measure the laser resistance of TiO(2)/Al(2)O(3) and HfO(2)/Al(2)O(3) antireflection coatings grown by atomic layer deposition (ALD). The damage results are d...Read More
Liu L Hao, Chen C Songlin, Wei W Yaowei, Zhang Z Zhe, Luo L Jin, Zheng Z Nan, Ma M Ping
Conditioning effect on HfO2 single-layer film by quasi-cw laser was investigated. The conditioning process was monitored with laser calorimeter. Experimental results revealed that the HfO2 film absorp...Read More
Tingting T Zhao, Yan Y Li, Xinqing X Zhao, Hong H Chen, Tao T Zhang
Hafnium ion implantation was applied to NiTi alloy to suppress Ni ion release and enhance osteoblast-material interactions and hemocompatibility. The auger electron spectroscopy, x-ray photoelectron s...Read More

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