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Published: 01 January 1986
Fig. 8 Insert used in a standard varian 9-GHz cavity for FMR studies at high temperatures. 1a and b, copper plates with O-ring in between; 2, stainless steel tube; 3, copper rod; 4 and 5, heater and leads; 6, thermocouple; 7, sample; 8, quartz tube. Source: Ref 8 More
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Published: 01 January 1986
Fig. 14 Resonance center versus field angle in [110] plane of nickel at 25 GHz. More
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Published: 01 January 1986
Fig. 15 FMR fields for a 0.85-μm amorphous GdFe 2 film measured at 9.2 GHz. The applied magnetic field H a was rotated in the film plane, and anisotropy arose because the symmetry axis was tilted approximately 28° away from the normal to the film plane. Source: Ref 13 More
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Published: 01 August 2018
Fig. 26 Scanning acoustic microscopy image at 1.3 GHz of a polished but unetched manganese-zinc low-carbon steel. Darker regions indicate the presence of typical contaminants trapped in the metal. Courtesy of G.H. Thomas, Sandia National Laboratories More
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Published: 01 January 1986
Fig. 24 Spin wave resonance spectrum in a 3800-Å-thick amorphous Y 20 Co 80 film at 22 GHz and 300 K. More
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Published: 30 September 2015
Fig. 13 Microwave heating system. (a) Components. (b) Naval Research Laboratory 6 kW, 2.45 GHz microwave system for titanium sintering experiments. More
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Published: 01 January 1986
Fig. 22 Frequency dependence of FMR linewidths in amorphous (Fe x Ni 100− x ) 0.75 Gd 0.25 samples at≥10 GHz. Note the linear increase (determined by λ) and a nonzero intercept, which indicate a subtle inhomogeneity in amorphous ferromagnets. More
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Published: 01 January 1986
Fig. 17 Angular dependence of resonance field for S 1 in amorphous YFe 2 . As noted in Fig. 16 (bulk amorphous YFe 2 being paramagnetic), these data indicate the presence of a ferromagnetic layer at the surface. Field measured at 300 K and 24 GHz, with 4π M = 6.2 kOe More
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Published: 01 January 1986
Fig. 20 Field derivative of power absorbed in 2250-Å-thick film of amorphous Zr 38 Co 62 measured at 300 K and 10.71 GHz. S 1 , S 2 , and S 4 correspond to 4π M eff values with a spread of 5 kOe. (a) Parallel sample geometry. (b) Perpendicular sample geometry More
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Published: 01 January 1986
Fig. 16 Field derivative of absorption in amorphous YFe 2 measured at 300 K and 10.8 GHz. Note the shift in S 1 as the field is rotated from the parallel (a) to the perpendicular (b) geometry, indicating the presence of a thin layer of ferromagnetic material. Bulk amorphous YFe 2 More
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Published: 01 January 1986
Fig. 2 Temperature dependence of FMR linewidths in Fe x Ni 8− x P 14 B 6 alloys at 11 GHz. Note the characteristic difference between a ferromagnetic alloy (Fe40), which has Γ independent of T , and the REE alloys, which exhibit a large rise at low T . This experiment provides a quick More
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Published: 01 January 1986
Fig. 25 Resonance field in amorphous Fe 49 B 51 samples (parallel geometry) as a function of temperature at 35 GHz. Data for T ≥ 100 K are unique and represent ordinary FMR. For 4 < T < 100 K, the system appears to have many possible paths. Different symbols represent different More
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001751
EISBN: 978-1-62708-178-8
... of the complexity of the phase diagram came from FMR data, although FMR alone cannot be used to determine the phase transition lines shown in Fig. 1 , because it is always performed in a sizable applied field. Fig. 2 Temperature dependence of FMR linewidths in Fe x Ni 8− x P 14 B 6 alloys at 11 GHz. Note...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005858
EISBN: 978-1-62708-167-2
..., that is, the number of oscillations per second expressed in hertz (Hz) or its multiples: kilohertz (1 kHz = 10 3 Hz), megahertz (1 MHz = 10 6 Hz), and gigahertz (1 GHz = 10 9 Hz). Table 1 shows the band designations as created by the International Telecommunication Union (ITU). ITU band designations created...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003367
EISBN: 978-1-62708-195-5
... in NaOH solution at 50 °C (120 °F), days 9 >70 NA 28 NA 10 … Electrical properties Dielectric constant  At 1 GHz, dry 2.79 2.67 2.85 2.53 2.97 2.76 …  At 1 MHz, dry 2.91 2.75–2.8 2.98 2.64–2.8 3.08 2.80 2.9  At 1 MHz, wet 3.32 3.13 3.39 2.90 NA 3.22...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003658
EISBN: 978-1-62708-182-5
... as microwave corrosion NDE sensors, although open- ended coaxial sensors ( Ref 3 ) and strip-line antennae ( Ref 4 ) have also successfully detected defects under coatings. Open ended rectangular waveguide sensors typically operate in the X- band (8 to 12.5 GHz) or K-band (12.5 to 40 GHz) frequency range...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006475
EISBN: 978-1-62708-190-0
... spectrum. The microwave frequency region is between 300 MHz and 325 GHz. This frequency range corresponds to wavelengths in free space between 100 cm and 1 mm (40 and 0.04 in.). A frequency span of 30 to 300 GHz is associated with the millimeter-wave spectrum, with corresponding wavelength ranges of 10...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003026
EISBN: 978-1-62708-200-6
... 3.0  At 1 GHz D 150 3.8 3.0 3.2 7.0 6.2 3.6 2.9 2.5 4.7 3.0 Dissipation factor  At 60 Hz D 150 0.004 0.003 0.04 0.01 0.02 0.01 0.01 0.001 0.01 0.0009  At 1 GHz D 150 0.004 0.005 0.02 0.01 0.05 0.01 0.01 0.09 0.03 0.01 Dielectric strength, step...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005909
EISBN: 978-1-62708-167-2
... resolution by laser flash The spatial resolution of such time domain measurements is limited by the ability to receive the light in time. An electronic gate has to open and close; during that time the light travels a certain distance. The fastest optical gates work with a 1.5 ns (6.67 GHz) closing...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005717
EISBN: 978-1-62708-171-9
... kHz the TLV is 0.2 mT. Exposure in the frequency range of 300 MHz to 3 GHz is expressed as f /300 = mW/cm 2 , where f is the frequency in MHz. Thus, 3 MHz would be 3/300 = 0.01 mW/cm 2 . Caution should be used when working with high-energy plasma and electric arc spray systems, particularly...