Lanthanum Strontium Ferrite (LSF)

Lanthanum Ferrite doped with Strontium Oxide Fuel Cell Cathode
La2O3 / Fe2O3 / SrO


Product Product Code Order or Specifications
Lanthanum Strontium Ferrite (Sr = 10%) Powder LSF-10-P Contact American Elements
Lanthanum Strontium Ferrite (Sr = 10%) Ink LSF-10-I Contact American Elements
Lanthanum Strontium Ferrite (Sr = 20%) Powder LSF-20-P Contact American Elements
Lanthanum Strontium Ferrite Sr = 20%) Ink LSF-20-I Contact American Elements

Ferrite StructureAmerican Elements specializes in producing Lanthanum Strontium Ferrite (LSF) for fuel cell cathode applications utilizing solid state processing to produce single phase perovskite structures with various doping levels and surface areas (SSA) for use in thin film layers. Upon firing, American Elements' Lanthanum Strontium Ferrite will partially sinter to form well-defined necks and open gas paths to permit simultaneous gas and electrical transfer. Lanthanum Strontium Ferrite has an excellent thermal expansion match with Yttria Stabilized Zirconia (YSZ) electrolytes. It is highly electronically conductive and has proven long term stability. Lanthanum Strontium Ferrite belongs to a class of "A" site and "B" site doped perovskite structures with these properties. These include Lanthanum solid oxide fuel cell anode (Nickel Cermet) by SEMStrontium Manganite (LSM), Lanthanum Strontium Cobaltite Ferrite (LSCF), Lanthanum Calcium Manganite (LCM), Lanthanum Strontium Chromite (LSC), and Lanthanum Strontium Gallate Magnesite (LSGM). Lanthanum Strontium Ferrite is available as a powder for tape casting, air spray/thermal spray/plasma spray, extrusion and sputtering fuel cell applications and as an ink for screen printing. Strontium doping levels are available at 10% and 20% and as specified by customer. Oxygen starved compositions are available. American Elements provides guidance on firing parameters, doping levels, and thermal expansion matching with American Elements' electrolyte and interconnect fuel cell layers. Also see product data sheets for LSF-20-P and LSF-20-I.

Lanthanum (La) atomic and molecular weight, atomic number and elemental symbol Lanthanum (atomic symbol: La, atomic number: 57) is a Block F, Group 3, Period 6 element with an atomic weight of 138.90547. The number of electrons in each of lanthanum's shells is [2, 8, 18, 18, 9, 2] and its electron configuration is [Xe] 5d1 6s2. The lanthanum atom has a radius of 187 pm and a Van der Waals radius of 240 pm. Lanthanum Bohr Model Lanthanum was first discovered by Carl Mosander in 1838. In its elemental form, lanthanum has a silvery white appearance. Elemental Lanthanum It is a soft, malleable, and ductile metal that oxidizes easily in air. Lanthanum is the first element in the rare earth or lanthanide series. It is the model for all the other trivalent rare earths and it is the second most abundant of the rare earths after cerium. Lanthanum is found in minerals such as monazite and bastnasite. The name lanthanum originates from the Greek word "Lanthaneia," which means 'to lie hidden'. For more information on lanthanum, including properties, safety data, research, and American Elements' catalog of lanthanum products, visit the Lanthanum Information Center.

Strontium (Sr) atomic and molecular weight, atomic number and elemental symbolStrontium (atomic symbol: Sr, atomic number: 38) is a Block S, Group 2, Period 5 element with an atomic weight of 87.62 . Strontium Bohr ModelThe number of electrons in each of Strontium's shells is [2, 8, 18, 8, 2] and its electron configuration is [Kr] 5s2. The strontium atom has a radius of 215 pm and a Van der Waals radius of 249 pm. Strontium was discovered by William Cruickshank in 1787 and first isolated by Humphry Davy in 1808. In its elemental form, strontium is a soft, silvery white metallic solid that quickly turns yellow when exposed to air. Elemental Strontium Cathode ray tubes in televisions are made of strontium, which are becoming increasingly displaced by other display technologies; pyrotechnics and fireworks employ strontium salts to achhieve a bright red color. Radioactive isotopes of strontium have been used in radioisotope thermoelectric generators (RTGs) and for certain cancer treatments. In nature, most strontium is found in celestite (as strontium sulfate) and strontianite (as strontium carbonate). Strontium was named after the Scottish town where it was discovered. For more information on strontium, including properties, safety data, research, and American Elements' catalog of strontium products, visit the Strontium Information Center.


Iron (Fe) atomic and molecular weight, atomic number and elemental symbolIron (atomic symbol: Fe, atomic number: 26) is a Block D, Group 8, Period 4 element with an atomic weight of 55.845. The number of electrons in each of Iron's shells is 2, 8, 14, 2 and its electron configuration is [Ar] 3d6 4s2.Iron Bohr Model The iron atom has a radius of 126 pm and a Van der Waals radius of 194 pm. Iron was discovered by humans before 5000 BC. In its elemental form, iron has a lustrous grayish metallic appearance. Elemental Iron Iron is the fourth most common element in the Earth's crust and the most common element by mass forming the earth as a whole. Iron is rarely found as a free element, since it tends to oxidize easily; it is usually found in minerals such as magnetite , hematite, goethite, limonite, or siderite. Though pure iron is typically soft, the addition of carbon creates the alloy known as steel, which is significantly stronger. For more information on iron, including properties, safety data, research, and American Elements' catalog of iron products, visit the Iron Information Center.


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PACKAGING SPECIFICATIONS FOR BULK & RESEARCH QUANTITIES
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Shipping documentation includes a Certificate of Analysis and Material Safety Data Sheet (MSDS). Solutions are packaged in polypropylene, plastic or glass jars up to palletized 440 gallon liquid totes.


Have a Question? Ask a Chemical Engineer or Material Scientist
Request an MSDS or Certificate of Analysis





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Recent Research & Development for Lanthanum

  • Morteza Hadi, Mahmood Meratian, Ali Shafyei, The effect of lanthanum on the microstructure and high temperature mechanical properties of a beta-solidifying TiAl alloy, Journal of Alloys and Compounds, Volume 618, 5 January 2015
  • Stefan Kuhn, Andreas Herrmann, Christian Rüssel, Judd–Ofelt analysis of Sm3+-doped lanthanum-aluminosilicate glasses, Journal of Luminescence, Volume 157, January 2015
  • Fan Yang, Yanfei Wang, Xiaofeng Zhao, Ping Xiao, Enhanced ionic conductivity in pyrochlore and fluorite mixed phase yttrium-doped lanthanum zirconate, Journal of Power Sources, Volume 273, 1 January 2015
  • Xiaolong Chen, Xueqiang Cao, Binglin Zou, Jun Gong, Chao Sun, High-temperature corrosion behaviour of plasma sprayed lanthanum magnesium hexaluminate coating by vanadium oxide, Journal of the European Ceramic Society, Volume 35, Issue 1, January 2015
  • Pritty Rao, Sanjiv Kumar, R.B. Tokas, N.K. Sahoo, A probe into compositional and structural dependence of optical properties of lanthanum fluoride films prepared by resistive heating, Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Volume 342, 1 January 2015
  • Jie Xie, Yan Lin, Chunjie Li, Deyi Wu, Hainan Kong, Removal and recovery of phosphate from water by activated aluminum oxide and lanthanum oxide, Powder Technology, Volume 269, January 2015
  • Pengrong Ren, Huiqing Fan, Xin Wang, Dong Guangzhi, Phase transition, high figure of merit and polar nano-regions in dielectric tunable lanthanum substituted barium titanate, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Ding Rong Ou, Mojie Cheng, Stability of manganese-oxide-modified lanthanum strontium cobaltite in the presence of chromia, Journal of Power Sources, Volume 272, 25 December 2014
  • Chao Zhang, Zhi-Jian Li, Hong Jiang, Xue-Ning Hu, Guo-Hua Zhong, Yue-Hua Su, Thermodynamic and mechanical properties of actinium and lanthanum dihydride, Journal of Alloys and Compounds, Volume 616, 15 December 2014
  • Caroline Cássia Alves, Julien Demoucron, Bruno Caillier, Philippe Guillot, Robert Mauricot, Jeannette Dexpert-Ghys, José Maurício Almeida Caiut, Amino acid coupled to Pr3+ doped lanthanum orthophosphate (LaPO4) nanoparticles, Materials Letters, Volume 137, 15 December 2014

Recent Research & Development for Strontium

  • Narendar Nasani, Devaraj Ramasamy, Isabel Antunes, Budhendra Singh, Duncan P. Fagg, Structural and electrical properties of strontium substituted Y2BaNiO5, Journal of Alloys and Compounds, Volume 620, 25 January 2015
  • Wolfgang Rheinheimer, Michael Bäurer, Harry Chien, Gregory S. Rohrer, Carol A. Handwerker, John E. Blendell, Michael J. Hoffmann, The equilibrium crystal shape of strontium titanate and its relationship to the grain boundary plane distribution, Acta Materialia, Volume 82, 1 January 2015
  • Leliang Li, Jun Zheng, Yuhua Zuo, Buwen Cheng, Qiming Wang, Efficient 1.54-µm emission through Eu2+ sensitization of Er3+ in thin films of Eu2+/Er3+ codoped barium strontium silicate under broad ultraviolet light excitation, Journal of Luminescence, Volume 157, January 2015
  • Agata Bialy, Peter B. Jensen, Didier Blanchard, Tejs Vegge, Ulrich J. Quaade, Solid solution barium–strontium chlorides with tunable ammonia desorption properties and superior storage capacity, Journal of Solid State Chemistry, Volume 221, January 2015
  • Poonam Pahuja, R.K. Kotnala, R.P. Tandon, Effect of rare earth substitution on properties of barium strontium titanate ceramic and its multiferroic composite with nickel cobalt ferrite, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Muhammad Naeem Ashiq, Raheela Beenish Qureshi, Muhammad Aslam Malana, Muhammad Fahad Ehsan, Synthesis, structural, magnetic and dielectric properties of zirconium copper doped M-type calcium strontium hexaferrites, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Ding Rong Ou, Mojie Cheng, Stability of manganese-oxide-modified lanthanum strontium cobaltite in the presence of chromia, Journal of Power Sources, Volume 272, 25 December 2014
  • Li Wang, P. Zhang, M.H. Habibi, Jeffrey I. Eldridge, S.M. Guo, Infrared radiative properties of plasma-sprayed strontium zirconate, Materials Letters, Volume 137, 15 December 2014
  • Boxun Hu, Manoj K. Mahapatra, Michael Keane, Heng Zhang, Prabhakar Singh, Effect of CO2 on the stability of strontium doped lanthanum manganite cathode, Journal of Power Sources, Volume 268, 5 December 2014
  • Hui Fan, Michael Keane, Prabhakar Singh, Minfang Han, Electrochemical performance and stability of lanthanum strontium cobalt ferrite oxygen electrode with gadolinia doped ceria barrier layer for reversible solid oxide fuel cell, Journal of Power Sources, Volume 268, 5 December 2014

Recent Research & Development for Ferrites

  • J. Xu, D.H. Ji, Z.Z. Li, W.H. Qi, G.D. Tang, Z.F. Shang, X.Y. Zhang, Magnetic moments of Ti cations in Ti-doped Ni0.68Fe2.32O4 spinel ferrites, Journal of Alloys and Compounds, Volume 619, 15 January 2015
  • Z. Karoly, J. Szepvolgyi, W. Kaszuwara, O. Łabędź, M. Bystrzejewski, Influence of ferrite stabilizing elements and Co on structure and magnetic properties of carbon-encapsulated iron nanoparticles synthesized in thermal plasma jet, Journal of Alloys and Compounds, Volume 619, 15 January 2015
  • Ghulam Mustafa, M.U. Islam, Wenli Zhang, Yasir Jamil, Abdul Waheed Anwar, Mudassar Hussain, Mukhtar Ahmad, Investigation of structural and magnetic properties of Ce3+-substituted nanosized Co–Cr ferrites for a variety of applications, Journal of Alloys and Compounds, Volume 618, 5 January 2015
  • Archana Singh, Ajendra Singh, Satyendra Singh, Poonam Tandon, B.C. Yadav, R.R. Yadav, Synthesis, characterization and performance of zinc ferrite nanorods for room temperature sensing applications, Journal of Alloys and Compounds, Volume 618, 5 January 2015
  • A.D. Warren, R.L. Harniman, A.M. Collins, S.A. Davis, C.M. Younes, P.E.J. Flewitt, T.B. Scott, Comparison between magnetic force microscopy and electron back-scatter diffraction for ferrite quantification in type 321 stainless steel, Ultramicroscopy, Volume 148, January 2015
  • Poonam Pahuja, R.K. Kotnala, R.P. Tandon, Effect of rare earth substitution on properties of barium strontium titanate ceramic and its multiferroic composite with nickel cobalt ferrite, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Wei Cai, Chunlin Fu, Rongli Gao, Weihai Jiang, Xiaoling Deng, Gang Chen, Photovoltaic enhancement based on improvement of ferroelectric property and band gap in Ti-doped bismuth ferrite thin films, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Liang Wang, Yang Bai, Lijie Qiao, Low loss and high refractive index in impedance-matched ferrite–silver co-fired ceramics, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Irshad Ali, Nasira Shaheen, M.U. Islam, Muhammad Irfan, Muhammad Naeem Ashiq, M. Asif Iqbal, Aisha Iftikhar, Study of electrical and dielectric behavior of Tb+3 substituted Y-type hexagonal ferrite, Journal of Alloys and Compounds, Volume 617, 25 December 2014
  • Wenjuan Wang, Qingli Hao, Wu Lei, Xifeng Xia, Xin Wang, Ternary nitrogen-doped graphene/nickel ferrite/polyaniline nanocomposites for high-performance supercapacitors, Journal of Power Sources, Volume 269, 10 December 2014