From reflectivity data					CHO FITTING				
K_Parallel_UP 	E_UP (eV)	K_Parallel_LP	E_LP (eV)		K_Parallel 	E_UP (eV)	E_LP (eV)	E_c (eV)	E_x (eV)
2.4032	2.7308	1.8493	2.1014		0	2.7237	2.1017	2.3954	2.43
3.5899	2.7369	2.761	2.1049		0.1	2.7237	2.1017	2.3954	2.43
4.7649	2.749	3.6672	2.1157		0.2	2.7237	2.1018	2.3955	2.43
5.914	2.7612	4.5469	2.1229		0.3	2.7237	2.1018	2.3956	2.43
7.0439	2.7798	5.4072	2.1339		0.4	2.7238	2.1019	2.3957	2.43
8.1352	2.7986	6.2351	2.145		0.5	2.7239	2.102	2.3959	2.43
9.179	2.8177	7.0239	2.1562		0.6	2.724	2.1021	2.3962	2.43
10.19	2.8436	7.7673	2.1675		0.7	2.7242	2.1023	2.3964	2.43
11.142	2.8699	8.4442	2.1751		0.8	2.7243	2.1025	2.3968	2.43
					0.9	2.7245	2.1027	2.3971	2.43
					1	2.7247	2.1029	2.3976	2.43
					1.1	2.7249	2.1031	2.398	2.43
					1.2	2.7251	2.1034	2.3985	2.43
					1.3	2.7254	2.1037	2.3991	2.43
					1.4	2.7257	2.104	2.3996	2.43
					1.5	2.726	2.1043	2.4003	2.43
					1.6	2.7263	2.1046	2.4009	2.43
					1.7	2.7266	2.105	2.4017	2.43
					1.8	2.727	2.1054	2.4024	2.43
					1.9	2.7274	2.1058	2.4032	2.43
					2	2.7278	2.1063	2.4041	2.43
					2.1	2.7282	2.1067	2.405	2.43
					2.2	2.7287	2.1072	2.4059	2.43
					2.3	2.7291	2.1077	2.4069	2.43
					2.4	2.7296	2.1083	2.4079	2.43
					2.5	2.7301	2.1088	2.4089	2.43
					2.6	2.7307	2.1094	2.41	2.43
					2.7	2.7312	2.11	2.4112	2.43
					2.8	2.7318	2.1106	2.4124	2.43
					2.9	2.7324	2.1112	2.4136	2.43
					3	2.733	2.1119	2.4149	2.43
					3.1	2.7337	2.1125	2.4162	2.43
					3.2	2.7343	2.1132	2.4176	2.43
					3.3	2.735	2.114	2.419	2.43
					3.4	2.7357	2.1147	2.4204	2.43
					3.5	2.7365	2.1154	2.4219	2.43
					3.6	2.7372	2.1162	2.4234	2.43
					3.7	2.738	2.117	2.425	2.43
					3.8	2.7388	2.1178	2.4266	2.43
					3.9	2.7396	2.1187	2.4283	2.43
					4	2.7405	2.1195	2.43	2.43
					4.1	2.7413	2.1204	2.4317	2.43
					4.2	2.7422	2.1213	2.4335	2.43
					4.3	2.7431	2.1222	2.4353	2.43
					4.4	2.7441	2.1231	2.4372	2.43
					4.5	2.7451	2.124	2.4391	2.43
					4.6	2.746	2.125	2.441	2.43
					4.7	2.7471	2.126	2.443	2.43
					4.8	2.7481	2.1269	2.445	2.43
					4.9	2.7491	2.128	2.4471	2.43
					5	2.7502	2.129	2.4492	2.43
					5.1	2.7513	2.13	2.4514	2.43
					5.2	2.7525	2.1311	2.4535	2.43
					5.3	2.7536	2.1321	2.4558	2.43
					5.4	2.7548	2.1332	2.4581	2.43
					5.5	2.756	2.1343	2.4604	2.43
					5.6	2.7573	2.1354	2.4627	2.43
					5.7	2.7585	2.1366	2.4651	2.43
					5.8	2.7598	2.1377	2.4675	2.43
					5.9	2.7611	2.1389	2.47	2.43
					6	2.7625	2.1401	2.4725	2.43
					6.1	2.7638	2.1412	2.4751	2.43
					6.2	2.7652	2.1424	2.4777	2.43
					6.3	2.7666	2.1436	2.4803	2.43
					6.4	2.7681	2.1449	2.483	2.43
					6.5	2.7696	2.1461	2.4857	2.43
					6.6	2.7711	2.1474	2.4884	2.43
					6.7	2.7726	2.1486	2.4912	2.43
					6.8	2.7741	2.1499	2.494	2.43
					6.9	2.7757	2.1512	2.4969	2.43
					7	2.7773	2.1525	2.4998	2.43
					7.1	2.779	2.1538	2.5027	2.43
					7.2	2.7806	2.1551	2.5057	2.43
					7.3	2.7823	2.1564	2.5087	2.43
					7.4	2.7841	2.1577	2.5118	2.43
					7.5	2.7858	2.1591	2.5149	2.43
					7.6	2.7876	2.1604	2.518	2.43
					7.7	2.7894	2.1618	2.5212	2.43
					7.8	2.7912	2.1631	2.5244	2.43
					7.9	2.7931	2.1645	2.5276	2.43
					8	2.795	2.1659	2.5309	2.43
					8.1	2.7969	2.1673	2.5342	2.43
					8.2	2.7989	2.1687	2.5376	2.43
					8.3	2.8009	2.1701	2.541	2.43
					8.4	2.8029	2.1715	2.5444	2.43
					8.5	2.805	2.1729	2.5479	2.43
					8.6	2.807	2.1743	2.5514	2.43
					8.7	2.8091	2.1757	2.5549	2.43
					8.8	2.8113	2.1772	2.5585	2.43
					8.9	2.8135	2.1786	2.5621	2.43
					9	2.8157	2.18	2.5657	2.43
					9.1	2.8179	2.1815	2.5694	2.43
					9.2	2.8202	2.1829	2.5731	2.43
					9.3	2.8225	2.1844	2.5768	2.43
					9.4	2.8248	2.1858	2.5806	2.43
					9.5	2.8272	2.1873	2.5844	2.43
					9.6	2.8296	2.1887	2.5883	2.43
					9.7	2.832	2.1902	2.5922	2.43
					9.8	2.8344	2.1917	2.5961	2.43
					9.9	2.8369	2.1931	2.6001	2.43
					10	2.8395	2.1946	2.604	2.43
					10.1	2.842	2.196	2.6081	2.43
					10.2	2.8446	2.1975	2.6121	2.43
					10.3	2.8472	2.199	2.6162	2.43
					10.4	2.8499	2.2004	2.6203	2.43
					10.5	2.8526	2.2019	2.6245	2.43
					10.6	2.8553	2.2034	2.6287	2.43
					10.7	2.8581	2.2048	2.6329	2.43
					10.8	2.8609	2.2063	2.6372	2.43
					10.9	2.8637	2.2077	2.6415	2.43
					11	2.8666	2.2092	2.6458	2.43
					11.1	2.8695	2.2107	2.6501	2.43
					11.2	2.8724	2.2121	2.6545	2.43
					11.3	2.8754	2.2136	2.6589	2.43
					11.4	2.8784	2.215	2.6634	2.43
					11.5	2.8814	2.2164	2.6679	2.43
					11.6	2.8845	2.2179	2.6724	2.43
					11.7	2.8876	2.2193	2.6769	2.43
					11.8	2.8907	2.2208	2.6815	2.43
					11.9	2.8939	2.2222	2.6861	2.43
					12	2.8971	2.2236	2.6907	2.43
					12.1	2.9004	2.2251	2.6954	2.43
					12.2	2.9036	2.2265	2.7001	2.43
					12.3	2.9069	2.2279	2.7048	2.43
					12.4	2.9103	2.2293	2.7096	2.43
					12.5	2.9137	2.2307	2.7144	2.43
					12.6	2.9171	2.2321	2.7192	2.43
					12.7	2.9206	2.2335	2.724	2.43
					12.8	2.924	2.2349	2.7289	2.43
					12.9	2.9276	2.2363	2.7338	2.43
					13	2.9311	2.2376	2.7388	2.43
					13.1	2.9347	2.239	2.7437	2.43
					13.2	2.9384	2.2404	2.7487	2.43
					13.3	2.942	2.2417	2.7538	2.43
					13.4	2.9457	2.2431	2.7588	2.43
					13.5	2.9495	2.2444	2.7639	2.43
					13.6	2.9532	2.2458	2.769	2.43
					13.7	2.957	2.2471	2.7741	2.43
					13.8	2.9609	2.2484	2.7793	2.43
					13.9	2.9648	2.2497	2.7845	2.43
					14	2.9687	2.251	2.7897	2.43
					14.1	2.9726	2.2523	2.795	2.43
					14.2	2.9766	2.2536	2.8002	2.43
					14.3	2.9806	2.2549	2.8056	2.43
					14.4	2.9847	2.2562	2.8109	2.43
					14.5	2.9888	2.2575	2.8162	2.43
					14.6	2.9929	2.2587	2.8216	2.43
					14.7	2.997	2.26	2.827	2.43
					14.8	3.0012	2.2612	2.8325	2.43
					14.9	3.0055	2.2625	2.8379	2.43
					15	3.0097	2.2637	2.8434	2.43
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
									
						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