GB930292A - Production of crystalline boron phosphide - Google Patents
Production of crystalline boron phosphideInfo
- Publication number
- GB930292A GB930292A GB21836/60A GB2183660A GB930292A GB 930292 A GB930292 A GB 930292A GB 21836/60 A GB21836/60 A GB 21836/60A GB 2183660 A GB2183660 A GB 2183660A GB 930292 A GB930292 A GB 930292A
- Authority
- GB
- United Kingdom
- Prior art keywords
- boron
- phosphorus
- alloy
- molten
- alloyed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B9/00—Single-crystal growth from melt solutions using molten solvents
- C30B9/04—Single-crystal growth from melt solutions using molten solvents by cooling of the solution
- C30B9/08—Single-crystal growth from melt solutions using molten solvents by cooling of the solution using other solvents
- C30B9/12—Salt solvents, e.g. flux growth
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/06—Hydrogen phosphides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B9/00—Single-crystal growth from melt solutions using molten solvents
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
Single crystals of a boron phosphide are produced by cooling a solution of elementary boron, a boron alloy, or a metal boride and elementary phosphorus, a phosphorus alloy, or a metal phosphide, in molten Cu, Al, Ga, In, Si, Ti, Zr, Ge, Cr, Mn, Fe, Co, Ni, Ru, Rh, Pd, Os, Ir, or Pt, or a molten alloy of any two, or more, of these, from a temperature below 1800 DEG C. to freezing point of the system at 1 DEG -300 DEG C./hr. The phosphorus and boron may be alloyed, or combined, with any of the above metals and boron may be alloyed, or combined, with carbon. The boron content may be 0,1-50% and may be completely dissolved before phosphorus in at least stoichiometric amount is added, although simultaneous addition is also possible. The P vapour may be distilled in and may be in an inert carrier, e.g. argon. The whole operation maybe conducted as a zone melting by forming a molten band in a body drawn through an induction coil. The cooling rate maybe 5 DEG -60 DEG C./hr. with Fe matrix, and 3 DEG -60 DEG C./hr. with Cu or Ni. Cubic BP, or monoclinic B6P to B40P, may be recovered by dissolving remaining constituents in HCl, HNO3, H2SO4, or aqua regia. Specification 923,860 is referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US821632A US3009780A (en) | 1959-06-22 | 1959-06-22 | Process for the production of large single crystals of boron phosphide |
Publications (1)
Publication Number | Publication Date |
---|---|
GB930292A true GB930292A (en) | 1963-07-03 |
Family
ID=25233892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB21836/60A Expired GB930292A (en) | 1959-06-22 | 1960-06-22 | Production of crystalline boron phosphide |
Country Status (4)
Country | Link |
---|---|
US (1) | US3009780A (en) |
DE (1) | DE1149695B (en) |
GB (1) | GB930292A (en) |
NL (2) | NL125503C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3395986A (en) * | 1958-03-03 | 1968-08-06 | Monsanto Co | Process for the production of boron phosphide |
BE630321A (en) * | 1962-03-29 | |||
US3379502A (en) * | 1965-09-16 | 1968-04-23 | Gen Electric | Single crystal phosphide production |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2124509A (en) * | 1935-07-15 | 1938-07-19 | Philip M Mckenna | Carbides of tantalum and like metals and method of producing the same |
-
0
- NL NL252911D patent/NL252911A/xx unknown
- NL NL125503D patent/NL125503C/xx active
-
1959
- 1959-06-22 US US821632A patent/US3009780A/en not_active Expired - Lifetime
-
1960
- 1960-06-21 DE DEM45694A patent/DE1149695B/en active Pending
- 1960-06-22 GB GB21836/60A patent/GB930292A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL252911A (en) | |
NL125503C (en) | |
US3009780A (en) | 1961-11-21 |
DE1149695B (en) | 1963-06-06 |
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