Beta-Barium Borate
is a crystalline solid used in photo optic applications. Additional technical, research and safety (MSDS) information is available as is a Reference Calculator for converting relevant units of measurement.
Barium is a Block S, Group 2, Period 6 element. The electronic configuration is [Xe] 6s2. In its elemental form barium's CAS number is 7440-39-3. The barium atom has a radius of 217.4.pm and it's Van der Waals radius is 200.pm. Barium was first discovered by Sir Humphrey Davy in 1808. Barium is a member of the alkaline-earth metals. It has technical applications in glass, electronics and medicine. It is also used in paints and colorants. Electronic coatings based on barium titanate are essential to cell phones and other microelectronics. It has long been used in medical diagnostic techniques because it makes a good x-ray contrast medium. Barium is a dopant in various fluorescent lamp coating formulas. Barium information, including Technical Data, Safety Data and its high purity properties , research , applications and other useful facts are discussed here. Scientific facts such as the atomic structure, ionization energy , abundance on Earth , conductivity and thermal properties are included.
Boron is a Block P, Group 13, Period 2 element. The electronic configuration is [He] 2s2 2p1. In its elemental form boron's CAS number is 7440-42-8. The boron atom has a radius of 79.5.pm and it's Van der Waals radius is 200.pm. Boron has an energy band gap of 1.50 to 1.56 eV, which is higher than that of either silicon or germanium. Optical characteristics include transmitting portions of the infrared. Boron is a poor conductor of electricity at room temperature but a good conductor at high temperature. Amorphous boron is used in pyrotechnic flares to provide a distinctive green color, and in rockets as an igniter Boric acid is also an important boron compound with major markets in textile products. Boron compounds are also extensively used in the manufacture of borosilicate glasses. The isotope Boron-10 is used as a control for nuclear reactors, as a shield for nuclear radiation, and in instruments used for detecting neutrons. Boron nitride has remarkable properties and can be used to make a material as hard as diamond. The nitride also behaves like an electrical insulator but conducts heat like a metal. Boron also has lubricating properties similar to graphite. Boron was first discovered by Sir Humphry Davy and J.L Gay-Lussac in 1808. The nitride also behaves like an electrical insulator but conducts heat like a metal. Boron also has lubricating properties similar to graphite. Boron was first discovered by Sir Humphry Davy and J.L Gay-Lussac in 1808.
American Elements semi conducting materials are crystal structures produced from ultra high purity starting materials synthesized by our high purity production facility which includes several large electric muffle furnaces, a tube furnace for hydrogen reduction, 50 gallon glass-lined Pfaudler reactors supported by our analytical laboratory containing X-ray diffraction, SEM, AA, BET surface area, and ICP Spectrometry for trace metals analysis. See a discussion of American Elements Ultra High Purity and Analytical capabilities. See Crystal Growth for processes used to fabricate semiconductor materials, which include:
-
Crystal "pulling" by the Czochaiski method for production of semiconductor materials
-
Flux growth and gradient freeze
-
Directional solidification of fluorites using both the Bridgman-Stockbarger and float zoning techniques
|
| |
Periodic table of the elements science and academic information, elements and advanced materials data, scientific presentations and all pages, designs, concepts, logos, and color schemes herein are the copyrighted proprietary rights and intellectual property of American Elements. American Elements is a U.S. Registered Trademark. © 2001-2009. American Elements. All rights reserved. |
 |
|
Recent Research & Development for Barium
- What is the most cost-effective strategy to screen for second primary colorectal cancers in male cancer survivors in Korea?
Park SM, Kim SY, Earle CC, Jeong SY, Yun YH.
World J Gastroenterol. 2009 Jul 7;15(25):3153-60.
PMID: 19575496 [PubMed - in process]
- Management of congenital fourth branchial arch anomalies: a review and analysis of published cases.
Nicoucar K, Giger R, Pope HG Jr, Jaecklin T, Dulguerov P.
J Pediatr Surg. 2009 Jul;44(7):1432-9.
PMID: 19573674 [PubMed - in process]
- First-Principles Study of Electronic, Absorption, and Thermodynamic Properties of Crystalline Styphnic Acid and Its Metal Salts.
Zhu W, Xiao H.
J Phys Chem B. 2009 Jul 2. [Epub ahead of print]
PMID: 19572665 [PubMed - as supplied by publisher]
- Esophageal stricture in a cougar (Puma concolor).
Desmarchelier M, Lair S, Defarges A, Lécuyer M, Langlois I.
J Zoo Wildl Med. 2009 Jun;40(2):328-31.
PMID: 19569481 [PubMed - in process]
- Evaluation of colonic involvement in endometriosis: double-contrast barium enema vs. magnetic resonance imaging.
Faccioli N, Foti G, Manfredi R, Mainardi P, Spoto E, Ruffo G, Minelli L, Mucelli RP.
Abdom Imaging. 2009 Jun 30. [Epub ahead of print]
PMID: 19568808 [PubMed - as supplied by publisher]
- Multicentric malignant gastrointestinal stromal tumor.
Shukla S, Singh SK, Pujani M.
Saudi J Gastroenterol. 2009 Jan;15(1):45-8.
PMID: 19568556 [PubMed - in process]
- Pattern of corrosive ingestion in southwestern saudi arabia.
Al-Binali AM, Al-Shehri MA, Abdelmoneim I, Shomrani AS, Al-Fifi SH.
Saudi J Gastroenterol. 2009 Jan;15(1):15-7.
PMID: 19568549 [PubMed - in process]
- Assessment of the acetaminophen absorption test as a diagnostic tool for the evaluation of the reticular groove reflex in lambs.
Sharifi K, Grünberg W, Soroori S, Mohri M, Ahrari-Khafi MS.
Am J Vet Res. 2009 Jul;70(7):820-5.
PMID: 19566466 [PubMed - in process]
- [Effect of Ning Wei Kang Recipe extract on gastrointestinal motor function]
Huang YM, Deng JZ.
Zhong Yao Cai. 2009 Mar;32(3):401-3. Chinese.
PMID: 19565722 [PubMed - in process]
- Videofluorography swallow study of patients with systemic sclerosis.
Russo S, Lo Re G, Galia M, Reginelli A, Lo Greco V, D'Agostino T, La Tona G, Coppolino F, Grassi R, Midiri M, Lagalla R.
Radiol Med. 2009 Jun 26. [Epub ahead of print]
PMID: 19562267 [PubMed - as supplied by publisher]
- Colopleural fistula: Case report and review of the literature.
Hiday AH, Khan FY, Almuzrakhshi AM, Zeer HE, Rasul FA.
Ann Thorac Med. 2008 Jul;3(3):108-9.
PMID: 19561891 [PubMed - in process]
- Analysis of cervical esophagogastric anastomotic leaks after transhiatal esophagectomy: risk factors, presentation, and detection.
Cooke DT, Lin GC, Lau CL, Zhang L, Si MS, Lee J, Chang AC, Pickens A, Orringer MB.
Ann Thorac Surg. 2009 Jul;88(1):177-84; discussion 184-5.
PMID: 19559221 [PubMed - in process]
- Endoscopic repair of laryngeal cleft type I and type II: When and why?
Rahbar R, Chen JL, Rosen RL, Lowry KC, Simon DM, Perez JA, Buonomo C, Ferrari LR, Katz ES.
Laryngoscope. 2009 Jun 24. [Epub ahead of print]
PMID: 19554639 [PubMed - as supplied by publisher]
- Fundamental studies of molecular depth profiling and 3D imaging using Langmuir-Blodgett films as a model.
Zheng L, Wucher A, Winograd N.
Appl Surf Sci. 2008 Dec 15;255(4):816-818.
PMID: 19551160 [PubMed]
- SAFETY AND VIABILITY OF MICROENCAPSULATED HUMAN ISLETS TRANSPLANTED INTO DIABETIC HUMANS.
Tuch BE, Keogh GW, Williams LJ, Wu W, Foster JL, Vaithilingam V, Philips R.
Diabetes Care. 2009 Jun 23. [Epub ahead of print]
PMID: 19549731 [PubMed - as supplied by publisher]
- [The diagnostic value of double-balloon enteroscopy in 67 cases with obscure abdominal pain]
Peng J, Leng AM, Wu RY, Yang HX, Yuan WJ, Zou YY, Zhang GY.
Zhonghua Nei Ke Za Zhi. 2009 Feb;48(2):111-3. Chinese.
PMID: 19549463 [PubMed - in process]
- Laparoscopic fundoplication for gastro-esophageal reflux disease: An 8 year experience.
Balsara KP, Shah CR, Hussain M.
J Minim Access Surg. 2008 Oct;4(4):99-103.
PMID: 19547698 [PubMed - as supplied by publisher]
- Laparoscopic Ladd procedure in infants: Report of three cases from a developing country.
Youssef MA.
J Minim Access Surg. 2008 Jul;4(3):83-84.
PMID: 19547690 [PubMed - as supplied by publisher]
- Esophageal contour changes during cryoablation of atrial fibrillation.
Herweg B, Ali R, Khan N, Ilercil A, Barold SS.
Pacing Clin Electrophysiol. 2009 Jun;32(6):711-6.
PMID: 19545332 [PubMed - in process]
- Feasibility of Video Capsule Endoscopy in the Management of Children With Peutz-Jeghers Syndrome: A Blinded Comparison With Barium Enterography for the Detection of Small Bowel Polyps.
Postgate A, Hyer W, Phillips R, Gupta A, Burling D, Bartram C, Marshall M, Taylor S, Brown G, Schofield G, Bassett P, Spray C, Fitzpatrick A, Fraser C, Latchford A.
J Pediatr Gastroenterol Nutr. 2009 Jun 16. [Epub ahead of print]
PMID: 19543117 [PubMed - as supplied by publisher]
|
|