Terbium alloys

Silvery metal, that can be cut with a knife. Terbium alloys and additives are widely used in optoelectronics to burn CDs as well as in laser printers. The pronounced magnetostriction (Joule effect) makes "terfenol-D" (terbium-dysprosium-iron) indispensable in sonar technology. The physics of the element appears to be more interesting than its chemistry, in which it is rarely used in catalysis. 

M The magnetostriction of terbium alloys has already found many applications. Most recently it was discovered that its compounds can be precipitated on surfaces in highly ordered molecular arrays this promises interesting effects. 

Terephthaloyl chlorides (TCL), 29 715 polycondensation, 7 635 polymers derived from, 23 730 TERFENOL-D (terbium dysprosium iron alloy), 22 714 TERGITOL, 2 43... 

The magnetic storage media being employed are ternary amorphous alloys lTable 6) composed of the rare-earth elements gadolinium. Gd. and terbium. Tb. with Fe and Co lor use in the near infrared. These materials are compatible with GaAs-bascd lasers. These alloy s arc fcnimagiictic. 

Terbium 65 Tb Lasers, electronic materials, erasable optical memory substrate, magnetostrictive alloys... 

FP-3 (yttrium, lanthanum, cerium, praseodymium, neodymium, promethium, gadolinium, terbium)—are soluble ( 15 wt %) in the process alloy and are removed by selective extraction into the salt after the reduction. This is a salt-transport step and is used as the method of controlling the FP-3 concentration in the process stream and of consolidating the FP-3 for waste handling. 

Lai -j Ce TbyP04 exhibit strong green emission radiation. Such kinds of compounds are called phosphors and are used to display color in television. Terbium is also used as an alloy material in compact discs, see also Cerium Dysprosium Erbium Europium Gadolinium Holmium Lanthanum Lutetium Neodymium Praseodymium Promethium Samarium Ytterbium. 

Kulmala S, Haapakka K (1995) Mechanism of electrogenerated luminescence of terbium(IU)- 2, 6-bis[N, N-bis(carboxymethyl)aminomethyl]-4-benzoylphenoI chelate at an oxide-covered aluminum electrode. J Alloys Compd 225 502-506... 

The discovery in 1976 of magneto-optic materials based on the rare earth/transition metal (RE/TM) alloys (Choudhari et al., 1976) provided a practical material system for rewritable magneto-optic recording. These materials were amorphous and thus allowed acceptable signal-to-noise ratio to be obtained. Most commercial magneto-optic films today are based on terbium iron cobalt (TbFeCO). 

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