Re: Kalpha2

2000-04-03 Thread Dr.Joerg Bergmann
On Tue, 4 Apr 2000 [EMAIL PROTECTED] wrote: > In a message dated 4/3/00 12:59:08 PM Pacific Daylight Time, > [EMAIL PROTECTED] writes: > > << The maximum count was 17,500 cps and lobes were observed at about 15 cps >> > This is actually pretty good focussing for powder diffraction application

Re: Kalpha2

2000-04-03 Thread Diffract
In a message dated 4/3/00 12:59:08 PM Pacific Daylight Time, [EMAIL PROTECTED] writes: << The maximum count was 17,500 cps and lobes were observed at about 15 cps >> This is actually pretty good focussing for powder diffraction application; the focal to satellite intensity ratio for this tube h

Re: Kalpha2

2000-04-03 Thread Jim Cline
Hi, Verification of tube tails with a single crystal experiment has been obtained: I called Keith Bowen of Bede on this thread as I thought he would be interested in this matter and I know he is knowledgeable on electron beam focusing.  [See the Bede web site and look for Microsource.]  H

Re: Kalpha2

2000-04-03 Thread Joerg Bergmann
On Mon, 3 Apr 2000 14:42:31 EDT, [EMAIL PROTECTED] wrote: >If I were concerned and wanted to measure the tails, I would first make sure >that they are present. To image the focal line or -spot by pinhole photograph >is a sensitive test (it is an old trick to quickly find out if you are on a >

Re: Kalpha2

2000-04-03 Thread Diffract
In a message dated 04/03/2000 8:08:36 AM Pacific Daylight Time, [EMAIL PROTECTED] writes: << I would like to see (or do) the single crystal experiment in order to definitively characterize the "tube tails". >> If I were concerned and wanted to measure the tails, I would first make sure that

Re: Kalpha2

2000-04-03 Thread Armel Le Bail
>I would like to see (or do) the single crystal experiment in >order to definitively characterize the "tube tails". I suspect that the >answer to the Armel's question is both. Both ( ? J"org Bergmann does not seem to believe in Kalpha3) and much more... Some years ago I put a big muscovite si

Re: Kalpha2

2000-04-03 Thread Jim Cline
Hi, At 07:31 PM 4/1/00 +0200, you wrote: > >I'm looking forward for many discussions! Yep! >I have some naive questions : > >I would like to hear exactly what is on my powder pattern: > - Kalpha3 > - tube tails > or both ?? The paper by G. H"olzer et al. (Phys. Rev. A 56 (1997)